Home / 62,613.20-86,439.48-42,577.04

Finding the Fourth Proportional to 62,613.20, 86,439.48 and 42,577.04

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Solution

The fourth proportional to 62,613.20, 86,439.48 and 42,577.04 is: 58,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,613.20 : 86,439.48 = 42,577.04 : x
  2. Step 2: Convert to fraction form
    62,613.20/86,439.48 = 42,577.04/x
  3. Step 3: Cross multiply
    62,613.20x = 86,439.48 × 42,577.04
  4. Step 4: Simplify right side
    62,613.20x = 3,680,337,197.54
  5. Step 5: Solve for x
    x = 3,680,337,197.54/62,613.20
  6. Step 6: Final answer
    x = 58,778.93

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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.