Home / 80,543.26-111,154.71-48,713.50

Finding the Fourth Proportional to 80,543.26, 111,154.71 and 48,713.50

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Solution

The fourth proportional to 80,543.26, 111,154.71 and 48,713.50 is: 67,227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,543.26 : 111,154.71 = 48,713.50 : x
  2. Step 2: Convert to fraction form
    80,543.26/111,154.71 = 48,713.50/x
  3. Step 3: Cross multiply
    80,543.26x = 111,154.71 × 48,713.50
  4. Step 4: Simplify right side
    80,543.26x = 5,414,734,965.59
  5. Step 5: Solve for x
    x = 5,414,734,965.59/80,543.26
  6. Step 6: Final answer
    x = 67,227.66

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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.