Home / 92,731.25-138,937.97-62,279.30

Finding the Fourth Proportional to 92,731.25, 138,937.97 and 62,279.30

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Solution

The fourth proportional to 92,731.25, 138,937.97 and 62,279.30 is: 93,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,731.25 : 138,937.97 = 62,279.30 : x
  2. Step 2: Convert to fraction form
    92,731.25/138,937.97 = 62,279.30/x
  3. Step 3: Cross multiply
    92,731.25x = 138,937.97 × 62,279.30
  4. Step 4: Simplify right side
    92,731.25x = 8,652,960,018.06
  5. Step 5: Solve for x
    x = 8,652,960,018.06/92,731.25
  6. Step 6: Final answer
    x = 93,312.23

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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.