Home / 88,417.70-122,016.44-48,131.76

Finding the Fourth Proportional to 88,417.70, 122,016.44 and 48,131.76

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Solution

The fourth proportional to 88,417.70, 122,016.44 and 48,131.76 is: 66,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,417.70 : 122,016.44 = 48,131.76 : x
  2. Step 2: Convert to fraction form
    88,417.70/122,016.44 = 48,131.76/x
  3. Step 3: Cross multiply
    88,417.70x = 122,016.44 × 48,131.76
  4. Step 4: Simplify right side
    88,417.70x = 5,872,866,006.13
  5. Step 5: Solve for x
    x = 5,872,866,006.13/88,417.70
  6. Step 6: Final answer
    x = 66,421.84

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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.