Home / 91,687.33-137,532.21-29,357.83

Finding the Fourth Proportional to 91,687.33, 137,532.21 and 29,357.83

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Solution

The fourth proportional to 91,687.33, 137,532.21 and 29,357.83 is: 44,037.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,687.33 : 137,532.21 = 29,357.83 : x
  2. Step 2: Convert to fraction form
    91,687.33/137,532.21 = 29,357.83/x
  3. Step 3: Cross multiply
    91,687.33x = 137,532.21 × 29,357.83
  4. Step 4: Simplify right side
    91,687.33x = 4,037,647,240.70
  5. Step 5: Solve for x
    x = 4,037,647,240.70/91,687.33
  6. Step 6: Final answer
    x = 44,037.13

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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.