Home / 82,466.12-123,616.16-32,581.60

Finding the Fourth Proportional to 82,466.12, 123,616.16 and 32,581.60

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Solution

The fourth proportional to 82,466.12, 123,616.16 and 32,581.60 is: 48,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,466.12 : 123,616.16 = 32,581.60 : x
  2. Step 2: Convert to fraction form
    82,466.12/123,616.16 = 32,581.60/x
  3. Step 3: Cross multiply
    82,466.12x = 123,616.16 × 32,581.60
  4. Step 4: Simplify right side
    82,466.12x = 4,027,612,278.66
  5. Step 5: Solve for x
    x = 4,027,612,278.66/82,466.12
  6. Step 6: Final answer
    x = 48,839.60

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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.