Home / 124,339.91-171,589.10-67,751.28

Finding the Fourth Proportional to 124,339.91, 171,589.10 and 67,751.28

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Solution

The fourth proportional to 124,339.91, 171,589.10 and 67,751.28 is: 93,496.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,339.91 : 171,589.10 = 67,751.28 : x
  2. Step 2: Convert to fraction form
    124,339.91/171,589.10 = 67,751.28/x
  3. Step 3: Cross multiply
    124,339.91x = 171,589.10 × 67,751.28
  4. Step 4: Simplify right side
    124,339.91x = 11,625,380,820.29
  5. Step 5: Solve for x
    x = 11,625,380,820.29/124,339.91
  6. Step 6: Final answer
    x = 93,496.78

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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.