Home / 83,108.16-124,711.56-33,211.80

Finding the Fourth Proportional to 83,108.16, 124,711.56 and 33,211.80

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Solution

The fourth proportional to 83,108.16, 124,711.56 and 33,211.80 is: 49,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,108.16 : 124,711.56 = 33,211.80 : x
  2. Step 2: Convert to fraction form
    83,108.16/124,711.56 = 33,211.80/x
  3. Step 3: Cross multiply
    83,108.16x = 124,711.56 × 33,211.80
  4. Step 4: Simplify right side
    83,108.16x = 4,141,895,388.41
  5. Step 5: Solve for x
    x = 4,141,895,388.41/83,108.16
  6. Step 6: Final answer
    x = 49,837.41

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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.