Home / 125,127.53-187,723.29-36,381.04

Finding the Fourth Proportional to 125,127.53, 187,723.29 and 36,381.04

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Solution

The fourth proportional to 125,127.53, 187,723.29 and 36,381.04 is: 54,580.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,127.53 : 187,723.29 = 36,381.04 : x
  2. Step 2: Convert to fraction form
    125,127.53/187,723.29 = 36,381.04/x
  3. Step 3: Cross multiply
    125,127.53x = 187,723.29 × 36,381.04
  4. Step 4: Simplify right side
    125,127.53x = 6,829,568,138.38
  5. Step 5: Solve for x
    x = 6,829,568,138.38/125,127.53
  6. Step 6: Final answer
    x = 54,580.86

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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.