Home / 82,489.50-123,734.25-29,899.04

Finding the Fourth Proportional to 82,489.50, 123,734.25 and 29,899.04

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Solution

The fourth proportional to 82,489.50, 123,734.25 and 29,899.04 is: 44,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,489.50 : 123,734.25 = 29,899.04 : x
  2. Step 2: Convert to fraction form
    82,489.50/123,734.25 = 29,899.04/x
  3. Step 3: Cross multiply
    82,489.50x = 123,734.25 × 29,899.04
  4. Step 4: Simplify right side
    82,489.50x = 3,699,534,671.45
  5. Step 5: Solve for x
    x = 3,699,534,671.45/82,489.50
  6. Step 6: Final answer
    x = 44,848.55

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Similar ratio
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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.