Home / 83,043.16-124,504.38-33,108.28

Finding the Fourth Proportional to 83,043.16, 124,504.38 and 33,108.28

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Solution

The fourth proportional to 83,043.16, 124,504.38 and 33,108.28 is: 49,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,043.16 : 124,504.38 = 33,108.28 : x
  2. Step 2: Convert to fraction form
    83,043.16/124,504.38 = 33,108.28/x
  3. Step 3: Cross multiply
    83,043.16x = 124,504.38 × 33,108.28
  4. Step 4: Simplify right side
    83,043.16x = 4,122,125,874.27
  5. Step 5: Solve for x
    x = 4,122,125,874.27/83,043.16
  6. Step 6: Final answer
    x = 49,638.36

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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.