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Finding the Fourth Proportional to 78,593.52, 108,449.52 and 44,605.92

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Solution

The fourth proportional to 78,593.52, 108,449.52 and 44,605.92 is: 61,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,593.52 : 108,449.52 = 44,605.92 : x
  2. Step 2: Convert to fraction form
    78,593.52/108,449.52 = 44,605.92/x
  3. Step 3: Cross multiply
    78,593.52x = 108,449.52 × 44,605.92
  4. Step 4: Simplify right side
    78,593.52x = 4,837,490,613.16
  5. Step 5: Solve for x
    x = 4,837,490,613.16/78,593.52
  6. Step 6: Final answer
    x = 61,550.76

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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.