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Finding the Fourth Proportional to 83,175.88, 124,764.36 and 33,260.18

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Solution

The fourth proportional to 83,175.88, 124,764.36 and 33,260.18 is: 49,890.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,175.88 : 124,764.36 = 33,260.18 : x
  2. Step 2: Convert to fraction form
    83,175.88/124,764.36 = 33,260.18/x
  3. Step 3: Cross multiply
    83,175.88x = 124,764.36 × 33,260.18
  4. Step 4: Simplify right side
    83,175.88x = 4,149,685,071.18
  5. Step 5: Solve for x
    x = 4,149,685,071.18/83,175.88
  6. Step 6: Final answer
    x = 49,890.49

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1.5x scale

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.