Home / 125,074.62-172,603.26-67,714.55

Finding the Fourth Proportional to 125,074.62, 172,603.26 and 67,714.55

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Solution

The fourth proportional to 125,074.62, 172,603.26 and 67,714.55 is: 93,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,074.62 : 172,603.26 = 67,714.55 : x
  2. Step 2: Convert to fraction form
    125,074.62/172,603.26 = 67,714.55/x
  3. Step 3: Cross multiply
    125,074.62x = 172,603.26 × 67,714.55
  4. Step 4: Simplify right side
    125,074.62x = 11,687,751,216.42
  5. Step 5: Solve for x
    x = 11,687,751,216.42/125,074.62
  6. Step 6: Final answer
    x = 93,446.23

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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.