Home / 90,355.48-124,691.29-50,069.91

Finding the Fourth Proportional to 90,355.48, 124,691.29 and 50,069.91

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Solution

The fourth proportional to 90,355.48, 124,691.29 and 50,069.91 is: 69,096.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,355.48 : 124,691.29 = 50,069.91 : x
  2. Step 2: Convert to fraction form
    90,355.48/124,691.29 = 50,069.91/x
  3. Step 3: Cross multiply
    90,355.48x = 124,691.29 × 50,069.91
  4. Step 4: Simplify right side
    90,355.48x = 6,243,281,753.69
  5. Step 5: Solve for x
    x = 6,243,281,753.69/90,355.48
  6. Step 6: Final answer
    x = 69,096.88

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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.