Home / 125,642.62-173,387.38-69,057.64

Finding the Fourth Proportional to 125,642.62, 173,387.38 and 69,057.64

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Solution

The fourth proportional to 125,642.62, 173,387.38 and 69,057.64 is: 95,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,642.62 : 173,387.38 = 69,057.64 : x
  2. Step 2: Convert to fraction form
    125,642.62/173,387.38 = 69,057.64/x
  3. Step 3: Cross multiply
    125,642.62x = 173,387.38 × 69,057.64
  4. Step 4: Simplify right side
    125,642.62x = 11,973,722,662.47
  5. Step 5: Solve for x
    x = 11,973,722,662.47/125,642.62
  6. Step 6: Final answer
    x = 95,299.85

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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.