Home / 82,656.92-123,886.97-57,561.10

Finding the Fourth Proportional to 82,656.92, 123,886.97 and 57,561.10

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Solution

The fourth proportional to 82,656.92, 123,886.97 and 57,561.10 is: 86,273.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,656.92 : 123,886.97 = 57,561.10 : x
  2. Step 2: Convert to fraction form
    82,656.92/123,886.97 = 57,561.10/x
  3. Step 3: Cross multiply
    82,656.92x = 123,886.97 × 57,561.10
  4. Step 4: Simplify right side
    82,656.92x = 7,131,069,887.20
  5. Step 5: Solve for x
    x = 7,131,069,887.20/82,656.92
  6. Step 6: Final answer
    x = 86,273.11

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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.