Home / 125,086.60-172,619.22-68,497.48

Finding the Fourth Proportional to 125,086.60, 172,619.22 and 68,497.48

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Solution

The fourth proportional to 125,086.60, 172,619.22 and 68,497.48 is: 94,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,086.60 : 172,619.22 = 68,497.48 : x
  2. Step 2: Convert to fraction form
    125,086.60/172,619.22 = 68,497.48/x
  3. Step 3: Cross multiply
    125,086.60x = 172,619.22 × 68,497.48
  4. Step 4: Simplify right side
    125,086.60x = 11,823,981,569.57
  5. Step 5: Solve for x
    x = 11,823,981,569.57/125,086.60
  6. Step 6: Final answer
    x = 94,526.36

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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.