Home / 125,488.24-173,174.04-68,903.20

Finding the Fourth Proportional to 125,488.24, 173,174.04 and 68,903.20

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Solution

The fourth proportional to 125,488.24, 173,174.04 and 68,903.20 is: 95,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,488.24 : 173,174.04 = 68,903.20 : x
  2. Step 2: Convert to fraction form
    125,488.24/173,174.04 = 68,903.20/x
  3. Step 3: Cross multiply
    125,488.24x = 173,174.04 × 68,903.20
  4. Step 4: Simplify right side
    125,488.24x = 11,932,245,512.93
  5. Step 5: Solve for x
    x = 11,932,245,512.93/125,488.24
  6. Step 6: Final answer
    x = 95,086.56

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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.