Home / 82,329.65-123,691.51-52,805.15

Finding the Fourth Proportional to 82,329.65, 123,691.51 and 52,805.15

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Solution

The fourth proportional to 82,329.65, 123,691.51 and 52,805.15 is: 79,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,329.65 : 123,691.51 = 52,805.15 : x
  2. Step 2: Convert to fraction form
    82,329.65/123,691.51 = 52,805.15/x
  3. Step 3: Cross multiply
    82,329.65x = 123,691.51 × 52,805.15
  4. Step 4: Simplify right side
    82,329.65x = 6,531,548,353.64
  5. Step 5: Solve for x
    x = 6,531,548,353.64/82,329.65
  6. Step 6: Final answer
    x = 79,334.10

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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.