Home / 107,737.83-161,428.55-55,074.87

Finding the Fourth Proportional to 107,737.83, 161,428.55 and 55,074.87

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Solution

The fourth proportional to 107,737.83, 161,428.55 and 55,074.87 is: 82,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,737.83 : 161,428.55 = 55,074.87 : x
  2. Step 2: Convert to fraction form
    107,737.83/161,428.55 = 55,074.87/x
  3. Step 3: Cross multiply
    107,737.83x = 161,428.55 × 55,074.87
  4. Step 4: Simplify right side
    107,737.83x = 8,890,656,130.16
  5. Step 5: Solve for x
    x = 8,890,656,130.16/107,737.83
  6. Step 6: Final answer
    x = 82,521.21

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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.