Home / 67,280.10-100,920.16-27,793.82

Finding the Fourth Proportional to 67,280.10, 100,920.16 and 27,793.82

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Solution

The fourth proportional to 67,280.10, 100,920.16 and 27,793.82 is: 41,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,280.10 : 100,920.16 = 27,793.82 : x
  2. Step 2: Convert to fraction form
    67,280.10/100,920.16 = 27,793.82/x
  3. Step 3: Cross multiply
    67,280.10x = 100,920.16 × 27,793.82
  4. Step 4: Simplify right side
    67,280.10x = 2,804,956,761.41
  5. Step 5: Solve for x
    x = 2,804,956,761.41/67,280.10
  6. Step 6: Final answer
    x = 41,690.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.