Home / 82,564.24-123,839.88-29,985.52

Finding the Fourth Proportional to 82,564.24, 123,839.88 and 29,985.52

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Solution

The fourth proportional to 82,564.24, 123,839.88 and 29,985.52 is: 44,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,564.24 : 123,839.88 = 29,985.52 : x
  2. Step 2: Convert to fraction form
    82,564.24/123,839.88 = 29,985.52/x
  3. Step 3: Cross multiply
    82,564.24x = 123,839.88 × 29,985.52
  4. Step 4: Simplify right side
    82,564.24x = 3,713,403,198.54
  5. Step 5: Solve for x
    x = 3,713,403,198.54/82,564.24
  6. Step 6: Final answer
    x = 44,975.93

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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.