Home / 125,976.15-173,847.07-69,387.53

Finding the Fourth Proportional to 125,976.15, 173,847.07 and 69,387.53

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Solution

The fourth proportional to 125,976.15, 173,847.07 and 69,387.53 is: 95,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,976.15 : 173,847.07 = 69,387.53 : x
  2. Step 2: Convert to fraction form
    125,976.15/173,847.07 = 69,387.53/x
  3. Step 3: Cross multiply
    125,976.15x = 173,847.07 × 69,387.53
  4. Step 4: Simplify right side
    125,976.15x = 12,062,818,785.04
  5. Step 5: Solve for x
    x = 12,062,818,785.04/125,976.15
  6. Step 6: Final answer
    x = 95,754.78

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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.