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Finding the Fourth Proportional to 83,397.92, 115,089.34 and 45,157.92

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Solution

The fourth proportional to 83,397.92, 115,089.34 and 45,157.92 is: 62,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,397.92 : 115,089.34 = 45,157.92 : x
  2. Step 2: Convert to fraction form
    83,397.92/115,089.34 = 45,157.92/x
  3. Step 3: Cross multiply
    83,397.92x = 115,089.34 × 45,157.92
  4. Step 4: Simplify right side
    83,397.92x = 5,197,194,720.54
  5. Step 5: Solve for x
    x = 5,197,194,720.54/83,397.92
  6. Step 6: Final answer
    x = 62,318.04

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1.5x scale

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.