Home / 125,682.97-173,432.18-73,991.86

Finding the Fourth Proportional to 125,682.97, 173,432.18 and 73,991.86

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Solution

The fourth proportional to 125,682.97, 173,432.18 and 73,991.86 is: 102,102.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,682.97 : 173,432.18 = 73,991.86 : x
  2. Step 2: Convert to fraction form
    125,682.97/173,432.18 = 73,991.86/x
  3. Step 3: Cross multiply
    125,682.97x = 173,432.18 × 73,991.86
  4. Step 4: Simplify right side
    125,682.97x = 12,832,568,714.89
  5. Step 5: Solve for x
    x = 12,832,568,714.89/125,682.97
  6. Step 6: Final answer
    x = 102,102.69

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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.