Home / 90,293.56-124,565.76-54,463.68

Finding the Fourth Proportional to 90,293.56, 124,565.76 and 54,463.68

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Solution

The fourth proportional to 90,293.56, 124,565.76 and 54,463.68 is: 75,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,293.56 : 124,565.76 = 54,463.68 : x
  2. Step 2: Convert to fraction form
    90,293.56/124,565.76 = 54,463.68/x
  3. Step 3: Cross multiply
    90,293.56x = 124,565.76 × 54,463.68
  4. Step 4: Simplify right side
    90,293.56x = 6,784,309,691.60
  5. Step 5: Solve for x
    x = 6,784,309,691.60/90,293.56
  6. Step 6: Final answer
    x = 75,136.14

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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.