Home / 91,817.38-137,784.32-39,227.26

Finding the Fourth Proportional to 91,817.38, 137,784.32 and 39,227.26

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Solution

The fourth proportional to 91,817.38, 137,784.32 and 39,227.26 is: 58,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,817.38 : 137,784.32 = 39,227.26 : x
  2. Step 2: Convert to fraction form
    91,817.38/137,784.32 = 39,227.26/x
  3. Step 3: Cross multiply
    91,817.38x = 137,784.32 × 39,227.26
  4. Step 4: Simplify right side
    91,817.38x = 5,404,901,344.56
  5. Step 5: Solve for x
    x = 5,404,901,344.56/91,817.38
  6. Step 6: Final answer
    x = 58,865.78

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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.