Home / 124,451.19-171,742.14-67,862.61

Finding the Fourth Proportional to 124,451.19, 171,742.14 and 67,862.61

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Solution

The fourth proportional to 124,451.19, 171,742.14 and 67,862.61 is: 93,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,451.19 : 171,742.14 = 67,862.61 : x
  2. Step 2: Convert to fraction form
    124,451.19/171,742.14 = 67,862.61/x
  3. Step 3: Cross multiply
    124,451.19x = 171,742.14 × 67,862.61
  4. Step 4: Simplify right side
    124,451.19x = 11,654,869,867.39
  5. Step 5: Solve for x
    x = 11,654,869,867.39/124,451.19
  6. Step 6: Final answer
    x = 93,650.13

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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.