Home / 125,074.32-172,601.33-67,712.13

Finding the Fourth Proportional to 125,074.32, 172,601.33 and 67,712.13

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Solution

The fourth proportional to 125,074.32, 172,601.33 and 67,712.13 is: 93,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,074.32 : 172,601.33 = 67,712.13 : x
  2. Step 2: Convert to fraction form
    125,074.32/172,601.33 = 67,712.13/x
  3. Step 3: Cross multiply
    125,074.32x = 172,601.33 × 67,712.13
  4. Step 4: Simplify right side
    125,074.32x = 11,687,203,356.57
  5. Step 5: Solve for x
    x = 11,687,203,356.57/125,074.32
  6. Step 6: Final answer
    x = 93,442.07

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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.