Home / 82,515.84-123,773.76-29,888.52

Finding the Fourth Proportional to 82,515.84, 123,773.76 and 29,888.52

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Solution

The fourth proportional to 82,515.84, 123,773.76 and 29,888.52 is: 44,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,515.84 : 123,773.76 = 29,888.52 : x
  2. Step 2: Convert to fraction form
    82,515.84/123,773.76 = 29,888.52/x
  3. Step 3: Cross multiply
    82,515.84x = 123,773.76 × 29,888.52
  4. Step 4: Simplify right side
    82,515.84x = 3,699,414,501.24
  5. Step 5: Solve for x
    x = 3,699,414,501.24/82,515.84
  6. Step 6: Final answer
    x = 44,832.78

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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.