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Finding the Fourth Proportional to 83,347.52, 125,072.32 and 33,422.32

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Solution

The fourth proportional to 83,347.52, 125,072.32 and 33,422.32 is: 50,153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,347.52 : 125,072.32 = 33,422.32 : x
  2. Step 2: Convert to fraction form
    83,347.52/125,072.32 = 33,422.32/x
  3. Step 3: Cross multiply
    83,347.52x = 125,072.32 × 33,422.32
  4. Step 4: Simplify right side
    83,347.52x = 4,180,207,102.18
  5. Step 5: Solve for x
    x = 4,180,207,102.18/83,347.52
  6. Step 6: Final answer
    x = 50,153.95

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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.