Home / 125,470.56-173,147.22-68,881.50

Finding the Fourth Proportional to 125,470.56, 173,147.22 and 68,881.50

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Solution

The fourth proportional to 125,470.56, 173,147.22 and 68,881.50 is: 95,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,470.56 : 173,147.22 = 68,881.50 : x
  2. Step 2: Convert to fraction form
    125,470.56/173,147.22 = 68,881.50/x
  3. Step 3: Cross multiply
    125,470.56x = 173,147.22 × 68,881.50
  4. Step 4: Simplify right side
    125,470.56x = 11,926,640,234.43
  5. Step 5: Solve for x
    x = 11,926,640,234.43/125,470.56
  6. Step 6: Final answer
    x = 95,055.29

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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.