Home / 69,158.28-103,655.40-62,105.20

Finding the Fourth Proportional to 69,158.28, 103,655.40 and 62,105.20

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Solution

The fourth proportional to 69,158.28, 103,655.40 and 62,105.20 is: 93,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,158.28 : 103,655.40 = 62,105.20 : x
  2. Step 2: Convert to fraction form
    69,158.28/103,655.40 = 62,105.20/x
  3. Step 3: Cross multiply
    69,158.28x = 103,655.40 × 62,105.20
  4. Step 4: Simplify right side
    69,158.28x = 6,437,539,348.08
  5. Step 5: Solve for x
    x = 6,437,539,348.08/69,158.28
  6. Step 6: Final answer
    x = 93,084.15

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Why These Related Problems?

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