Home / 125,092.28-172,626.05-67,730.61

Finding the Fourth Proportional to 125,092.28, 172,626.05 and 67,730.61

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Solution

The fourth proportional to 125,092.28, 172,626.05 and 67,730.61 is: 93,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,092.28 : 172,626.05 = 67,730.61 : x
  2. Step 2: Convert to fraction form
    125,092.28/172,626.05 = 67,730.61/x
  3. Step 3: Cross multiply
    125,092.28x = 172,626.05 × 67,730.61
  4. Step 4: Simplify right side
    125,092.28x = 11,692,067,329.74
  5. Step 5: Solve for x
    x = 11,692,067,329.74/125,092.28
  6. Step 6: Final answer
    x = 93,467.54

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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.