Home / 125,432.20-173,088.66-68,843.17

Finding the Fourth Proportional to 125,432.20, 173,088.66 and 68,843.17

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Solution

The fourth proportional to 125,432.20, 173,088.66 and 68,843.17 is: 94,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,432.20 : 173,088.66 = 68,843.17 : x
  2. Step 2: Convert to fraction form
    125,432.20/173,088.66 = 68,843.17/x
  3. Step 3: Cross multiply
    125,432.20x = 173,088.66 × 68,843.17
  4. Step 4: Simplify right side
    125,432.20x = 11,915,972,045.45
  5. Step 5: Solve for x
    x = 11,915,972,045.45/125,432.20
  6. Step 6: Final answer
    x = 94,999.31

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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.