Home / 91,964.49-137,999.97-38,652.27

Finding the Fourth Proportional to 91,964.49, 137,999.97 and 38,652.27

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Solution

The fourth proportional to 91,964.49, 137,999.97 and 38,652.27 is: 58,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,964.49 : 137,999.97 = 38,652.27 : x
  2. Step 2: Convert to fraction form
    91,964.49/137,999.97 = 38,652.27/x
  3. Step 3: Cross multiply
    91,964.49x = 137,999.97 × 38,652.27
  4. Step 4: Simplify right side
    91,964.49x = 5,334,012,100.43
  5. Step 5: Solve for x
    x = 5,334,012,100.43/91,964.49
  6. Step 6: Final answer
    x = 58,000.78

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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.