Home / 91,546.11-137,208.28-38,844.88

Finding the Fourth Proportional to 91,546.11, 137,208.28 and 38,844.88

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Solution

The fourth proportional to 91,546.11, 137,208.28 and 38,844.88 is: 58,220.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,546.11 : 137,208.28 = 38,844.88 : x
  2. Step 2: Convert to fraction form
    91,546.11/137,208.28 = 38,844.88/x
  3. Step 3: Cross multiply
    91,546.11x = 137,208.28 × 38,844.88
  4. Step 4: Simplify right side
    91,546.11x = 5,329,838,997.26
  5. Step 5: Solve for x
    x = 5,329,838,997.26/91,546.11
  6. Step 6: Final answer
    x = 58,220.27

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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.