Home / 88,613.36-122,279.64-50,899.76

Finding the Fourth Proportional to 88,613.36, 122,279.64 and 50,899.76

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Solution

The fourth proportional to 88,613.36, 122,279.64 and 50,899.76 is: 70,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,613.36 : 122,279.64 = 50,899.76 : x
  2. Step 2: Convert to fraction form
    88,613.36/122,279.64 = 50,899.76/x
  3. Step 3: Cross multiply
    88,613.36x = 122,279.64 × 50,899.76
  4. Step 4: Simplify right side
    88,613.36x = 6,224,004,328.89
  5. Step 5: Solve for x
    x = 6,224,004,328.89/88,613.36
  6. Step 6: Final answer
    x = 70,237.76

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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.