Home / 83,744.20-125,573.10-31,126.60

Finding the Fourth Proportional to 83,744.20, 125,573.10 and 31,126.60

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Solution

The fourth proportional to 83,744.20, 125,573.10 and 31,126.60 is: 46,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,744.20 : 125,573.10 = 31,126.60 : x
  2. Step 2: Convert to fraction form
    83,744.20/125,573.10 = 31,126.60/x
  3. Step 3: Cross multiply
    83,744.20x = 125,573.10 × 31,126.60
  4. Step 4: Simplify right side
    83,744.20x = 3,908,663,654.46
  5. Step 5: Solve for x
    x = 3,908,663,654.46/83,744.20
  6. Step 6: Final answer
    x = 46,673.84

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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.