Home / 83,367.18-115,049.61-45,641.70

Finding the Fourth Proportional to 83,367.18, 115,049.61 and 45,641.70

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Solution

The fourth proportional to 83,367.18, 115,049.61 and 45,641.70 is: 62,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,367.18 : 115,049.61 = 45,641.70 : x
  2. Step 2: Convert to fraction form
    83,367.18/115,049.61 = 45,641.70/x
  3. Step 3: Cross multiply
    83,367.18x = 115,049.61 × 45,641.70
  4. Step 4: Simplify right side
    83,367.18x = 5,251,059,784.74
  5. Step 5: Solve for x
    x = 5,251,059,784.74/83,367.18
  6. Step 6: Final answer
    x = 62,987.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.