Home / 83,263.20-124,896-27,103.61

Finding the Fourth Proportional to 83,263.20, 124,896 and 27,103.61

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Solution

The fourth proportional to 83,263.20, 124,896 and 27,103.61 is: 40,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,263.20 : 124,896 = 27,103.61 : x
  2. Step 2: Convert to fraction form
    83,263.20/124,896 = 27,103.61/x
  3. Step 3: Cross multiply
    83,263.20x = 124,896 × 27,103.61
  4. Step 4: Simplify right side
    83,263.20x = 3,385,131,850.08
  5. Step 5: Solve for x
    x = 3,385,131,850.08/83,263.20
  6. Step 6: Final answer
    x = 40,655.80

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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.