Home / 86,491.72-129,735.18-24,160.52

Finding the Fourth Proportional to 86,491.72, 129,735.18 and 24,160.52

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Solution

The fourth proportional to 86,491.72, 129,735.18 and 24,160.52 is: 36,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,491.72 : 129,735.18 = 24,160.52 : x
  2. Step 2: Convert to fraction form
    86,491.72/129,735.18 = 24,160.52/x
  3. Step 3: Cross multiply
    86,491.72x = 129,735.18 × 24,160.52
  4. Step 4: Simplify right side
    86,491.72x = 3,134,469,411.09
  5. Step 5: Solve for x
    x = 3,134,469,411.09/86,491.72
  6. Step 6: Final answer
    x = 36,240.11

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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.