Home / 80,677.20-111,333.96-44,865.12

Finding the Fourth Proportional to 80,677.20, 111,333.96 and 44,865.12

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Solution

The fourth proportional to 80,677.20, 111,333.96 and 44,865.12 is: 61,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,677.20 : 111,333.96 = 44,865.12 : x
  2. Step 2: Convert to fraction form
    80,677.20/111,333.96 = 44,865.12/x
  3. Step 3: Cross multiply
    80,677.20x = 111,333.96 × 44,865.12
  4. Step 4: Simplify right side
    80,677.20x = 4,995,011,475.48
  5. Step 5: Solve for x
    x = 4,995,011,475.48/80,677.20
  6. Step 6: Final answer
    x = 61,913.55

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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.