Home / 82,909.31-124,368.21-23,753.66

Finding the Fourth Proportional to 82,909.31, 124,368.21 and 23,753.66

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Solution

The fourth proportional to 82,909.31, 124,368.21 and 23,753.66 is: 35,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,909.31 : 124,368.21 = 23,753.66 : x
  2. Step 2: Convert to fraction form
    82,909.31/124,368.21 = 23,753.66/x
  3. Step 3: Cross multiply
    82,909.31x = 124,368.21 × 23,753.66
  4. Step 4: Simplify right side
    82,909.31x = 2,954,199,553.31
  5. Step 5: Solve for x
    x = 2,954,199,553.31/82,909.31
  6. Step 6: Final answer
    x = 35,631.70

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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.