Home / 80,950.20-111,737.52-54,098.70

Finding the Fourth Proportional to 80,950.20, 111,737.52 and 54,098.70

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Solution

The fourth proportional to 80,950.20, 111,737.52 and 54,098.70 is: 74,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,950.20 : 111,737.52 = 54,098.70 : x
  2. Step 2: Convert to fraction form
    80,950.20/111,737.52 = 54,098.70/x
  3. Step 3: Cross multiply
    80,950.20x = 111,737.52 × 54,098.70
  4. Step 4: Simplify right side
    80,950.20x = 6,044,854,573.22
  5. Step 5: Solve for x
    x = 6,044,854,573.22/80,950.20
  6. Step 6: Final answer
    x = 74,673.74

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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.