Home / 82,215.60-123,323.40-44,761.20

Finding the Fourth Proportional to 82,215.60, 123,323.40 and 44,761.20

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Solution

The fourth proportional to 82,215.60, 123,323.40 and 44,761.20 is: 67,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,215.60 : 123,323.40 = 44,761.20 : x
  2. Step 2: Convert to fraction form
    82,215.60/123,323.40 = 44,761.20/x
  3. Step 3: Cross multiply
    82,215.60x = 123,323.40 × 44,761.20
  4. Step 4: Simplify right side
    82,215.60x = 5,520,103,372.08
  5. Step 5: Solve for x
    x = 5,520,103,372.08/82,215.60
  6. Step 6: Final answer
    x = 67,141.80

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1.5x scale

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.