Home / 80,711.59-111,380.32-44,900.83

Finding the Fourth Proportional to 80,711.59, 111,380.32 and 44,900.83

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Solution

The fourth proportional to 80,711.59, 111,380.32 and 44,900.83 is: 61,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,711.59 : 111,380.32 = 44,900.83 : x
  2. Step 2: Convert to fraction form
    80,711.59/111,380.32 = 44,900.83/x
  3. Step 3: Cross multiply
    80,711.59x = 111,380.32 × 44,900.83
  4. Step 4: Simplify right side
    80,711.59x = 5,001,068,813.67
  5. Step 5: Solve for x
    x = 5,001,068,813.67/80,711.59
  6. Step 6: Final answer
    x = 61,962.21

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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.