Home / 82,505.07-123,764.31-26,353.17

Finding the Fourth Proportional to 82,505.07, 123,764.31 and 26,353.17

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Solution

The fourth proportional to 82,505.07, 123,764.31 and 26,353.17 is: 39,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,505.07 : 123,764.31 = 26,353.17 : x
  2. Step 2: Convert to fraction form
    82,505.07/123,764.31 = 26,353.17/x
  3. Step 3: Cross multiply
    82,505.07x = 123,764.31 × 26,353.17
  4. Step 4: Simplify right side
    82,505.07x = 3,261,581,901.36
  5. Step 5: Solve for x
    x = 3,261,581,901.36/82,505.07
  6. Step 6: Final answer
    x = 39,531.90

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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.