Home / 125,336.11-172,972.06-68,747.48

Finding the Fourth Proportional to 125,336.11, 172,972.06 and 68,747.48

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Solution

The fourth proportional to 125,336.11, 172,972.06 and 68,747.48 is: 94,876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,336.11 : 172,972.06 = 68,747.48 : x
  2. Step 2: Convert to fraction form
    125,336.11/172,972.06 = 68,747.48/x
  3. Step 3: Cross multiply
    125,336.11x = 172,972.06 × 68,747.48
  4. Step 4: Simplify right side
    125,336.11x = 11,891,393,820.29
  5. Step 5: Solve for x
    x = 11,891,393,820.29/125,336.11
  6. Step 6: Final answer
    x = 94,876.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.