Home / 77,793.30-116,613.15-38,318.10

Finding the Fourth Proportional to 77,793.30, 116,613.15 and 38,318.10

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Solution

The fourth proportional to 77,793.30, 116,613.15 and 38,318.10 is: 57,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,793.30 : 116,613.15 = 38,318.10 : x
  2. Step 2: Convert to fraction form
    77,793.30/116,613.15 = 38,318.10/x
  3. Step 3: Cross multiply
    77,793.30x = 116,613.15 × 38,318.10
  4. Step 4: Simplify right side
    77,793.30x = 4,468,394,343.02
  5. Step 5: Solve for x
    x = 4,468,394,343.02/77,793.30
  6. Step 6: Final answer
    x = 57,439.32

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1.5x scale

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.