Home / 59,123.40-88,685.10-38,128.20

Finding the Fourth Proportional to 59,123.40, 88,685.10 and 38,128.20

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Solution

The fourth proportional to 59,123.40, 88,685.10 and 38,128.20 is: 57,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,123.40 : 88,685.10 = 38,128.20 : x
  2. Step 2: Convert to fraction form
    59,123.40/88,685.10 = 38,128.20/x
  3. Step 3: Cross multiply
    59,123.40x = 88,685.10 × 38,128.20
  4. Step 4: Simplify right side
    59,123.40x = 3,381,403,229.82
  5. Step 5: Solve for x
    x = 3,381,403,229.82/59,123.40
  6. Step 6: Final answer
    x = 57,192.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.