Home / 83,043.53-124,504.94-33,108.65

Finding the Fourth Proportional to 83,043.53, 124,504.94 and 33,108.65

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Solution

The fourth proportional to 83,043.53, 124,504.94 and 33,108.65 is: 49,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,043.53 : 124,504.94 = 33,108.65 : x
  2. Step 2: Convert to fraction form
    83,043.53/124,504.94 = 33,108.65/x
  3. Step 3: Cross multiply
    83,043.53x = 124,504.94 × 33,108.65
  4. Step 4: Simplify right side
    83,043.53x = 4,122,189,941.98
  5. Step 5: Solve for x
    x = 4,122,189,941.98/83,043.53
  6. Step 6: Final answer
    x = 49,638.91

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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.