Home / 91,913.47-137,881.95-32,755.12

Finding the Fourth Proportional to 91,913.47, 137,881.95 and 32,755.12

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Solution

The fourth proportional to 91,913.47, 137,881.95 and 32,755.12 is: 49,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,913.47 : 137,881.95 = 32,755.12 : x
  2. Step 2: Convert to fraction form
    91,913.47/137,881.95 = 32,755.12/x
  3. Step 3: Cross multiply
    91,913.47x = 137,881.95 × 32,755.12
  4. Step 4: Simplify right side
    91,913.47x = 4,516,339,350.55
  5. Step 5: Solve for x
    x = 4,516,339,350.55/91,913.47
  6. Step 6: Final answer
    x = 49,136.86

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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.