Home / 80,627.20-111,266.86-44,330.17

Finding the Fourth Proportional to 80,627.20, 111,266.86 and 44,330.17

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Solution

The fourth proportional to 80,627.20, 111,266.86 and 44,330.17 is: 61,176.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,627.20 : 111,266.86 = 44,330.17 : x
  2. Step 2: Convert to fraction form
    80,627.20/111,266.86 = 44,330.17/x
  3. Step 3: Cross multiply
    80,627.20x = 111,266.86 × 44,330.17
  4. Step 4: Simplify right side
    80,627.20x = 4,932,478,819.17
  5. Step 5: Solve for x
    x = 4,932,478,819.17/80,627.20
  6. Step 6: Final answer
    x = 61,176.36

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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.