Home / 86,337.12-129,505.92-24,007.68

Finding the Fourth Proportional to 86,337.12, 129,505.92 and 24,007.68

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Solution

The fourth proportional to 86,337.12, 129,505.92 and 24,007.68 is: 36,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,337.12 : 129,505.92 = 24,007.68 : x
  2. Step 2: Convert to fraction form
    86,337.12/129,505.92 = 24,007.68/x
  3. Step 3: Cross multiply
    86,337.12x = 129,505.92 × 24,007.68
  4. Step 4: Simplify right side
    86,337.12x = 3,109,136,685.47
  5. Step 5: Solve for x
    x = 3,109,136,685.47/86,337.12
  6. Step 6: Final answer
    x = 36,011.59

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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.