Home / 91,691.33-137,538.21-29,361.83

Finding the Fourth Proportional to 91,691.33, 137,538.21 and 29,361.83

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Solution

The fourth proportional to 91,691.33, 137,538.21 and 29,361.83 is: 44,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,691.33 : 137,538.21 = 29,361.83 : x
  2. Step 2: Convert to fraction form
    91,691.33/137,538.21 = 29,361.83/x
  3. Step 3: Cross multiply
    91,691.33x = 137,538.21 × 29,361.83
  4. Step 4: Simplify right side
    91,691.33x = 4,038,373,540.52
  5. Step 5: Solve for x
    x = 4,038,373,540.52/91,691.33
  6. Step 6: Final answer
    x = 44,043.13

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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.