Home / 83,841.07-125,760.49-20,661.95

Finding the Fourth Proportional to 83,841.07, 125,760.49 and 20,661.95

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Solution

The fourth proportional to 83,841.07, 125,760.49 and 20,661.95 is: 30,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,841.07 : 125,760.49 = 20,661.95 : x
  2. Step 2: Convert to fraction form
    83,841.07/125,760.49 = 20,661.95/x
  3. Step 3: Cross multiply
    83,841.07x = 125,760.49 × 20,661.95
  4. Step 4: Simplify right side
    83,841.07x = 2,598,456,956.36
  5. Step 5: Solve for x
    x = 2,598,456,956.36/83,841.07
  6. Step 6: Final answer
    x = 30,992.65

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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.