Home / 88,612.36-122,278.26-50,898.76

Finding the Fourth Proportional to 88,612.36, 122,278.26 and 50,898.76

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Solution

The fourth proportional to 88,612.36, 122,278.26 and 50,898.76 is: 70,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,612.36 : 122,278.26 = 50,898.76 : x
  2. Step 2: Convert to fraction form
    88,612.36/122,278.26 = 50,898.76/x
  3. Step 3: Cross multiply
    88,612.36x = 122,278.26 × 50,898.76
  4. Step 4: Simplify right side
    88,612.36x = 6,223,811,808.96
  5. Step 5: Solve for x
    x = 6,223,811,808.96/88,612.36
  6. Step 6: Final answer
    x = 70,236.38

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Half scale
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Double scale
Find fourth proportional to 88,613.36, 122,279.64 and 50,899.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.