Home / 91,903.38-137,882.76-32,731.35

Finding the Fourth Proportional to 91,903.38, 137,882.76 and 32,731.35

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Solution

The fourth proportional to 91,903.38, 137,882.76 and 32,731.35 is: 49,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,903.38 : 137,882.76 = 32,731.35 : x
  2. Step 2: Convert to fraction form
    91,903.38/137,882.76 = 32,731.35/x
  3. Step 3: Cross multiply
    91,903.38x = 137,882.76 × 32,731.35
  4. Step 4: Simplify right side
    91,903.38x = 4,513,088,876.53
  5. Step 5: Solve for x
    x = 4,513,088,876.53/91,903.38
  6. Step 6: Final answer
    x = 49,106.89

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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.