Home / 108,061.92-161,956.53-54,767.30

Finding the Fourth Proportional to 108,061.92, 161,956.53 and 54,767.30

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Solution

The fourth proportional to 108,061.92, 161,956.53 and 54,767.30 is: 82,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,061.92 : 161,956.53 = 54,767.30 : x
  2. Step 2: Convert to fraction form
    108,061.92/161,956.53 = 54,767.30/x
  3. Step 3: Cross multiply
    108,061.92x = 161,956.53 × 54,767.30
  4. Step 4: Simplify right side
    108,061.92x = 8,869,921,865.47
  5. Step 5: Solve for x
    x = 8,869,921,865.47/108,061.92
  6. Step 6: Final answer
    x = 82,081.85

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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.