Home / 125,739.80-173,517.45-69,151.17

Finding the Fourth Proportional to 125,739.80, 173,517.45 and 69,151.17

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Solution

The fourth proportional to 125,739.80, 173,517.45 and 69,151.17 is: 95,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,739.80 : 173,517.45 = 69,151.17 : x
  2. Step 2: Convert to fraction form
    125,739.80/173,517.45 = 69,151.17/x
  3. Step 3: Cross multiply
    125,739.80x = 173,517.45 × 69,151.17
  4. Step 4: Simplify right side
    125,739.80x = 11,998,934,682.92
  5. Step 5: Solve for x
    x = 11,998,934,682.92/125,739.80
  6. Step 6: Final answer
    x = 95,426.71

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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.