Home / 91,916.38-137,839.02-35,748.90

Finding the Fourth Proportional to 91,916.38, 137,839.02 and 35,748.90

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Solution

The fourth proportional to 91,916.38, 137,839.02 and 35,748.90 is: 53,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,916.38 : 137,839.02 = 35,748.90 : x
  2. Step 2: Convert to fraction form
    91,916.38/137,839.02 = 35,748.90/x
  3. Step 3: Cross multiply
    91,916.38x = 137,839.02 × 35,748.90
  4. Step 4: Simplify right side
    91,916.38x = 4,927,593,342.08
  5. Step 5: Solve for x
    x = 4,927,593,342.08/91,916.38
  6. Step 6: Final answer
    x = 53,609.52

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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.