Home / 125,087.29-172,620.23-67,726.60

Finding the Fourth Proportional to 125,087.29, 172,620.23 and 67,726.60

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Solution

The fourth proportional to 125,087.29, 172,620.23 and 67,726.60 is: 93,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,087.29 : 172,620.23 = 67,726.60 : x
  2. Step 2: Convert to fraction form
    125,087.29/172,620.23 = 67,726.60/x
  3. Step 3: Cross multiply
    125,087.29x = 172,620.23 × 67,726.60
  4. Step 4: Simplify right side
    125,087.29x = 11,690,981,269.12
  5. Step 5: Solve for x
    x = 11,690,981,269.12/125,087.29
  6. Step 6: Final answer
    x = 93,462.58

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1.5x scale

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.