Home / 83,963.18-115,864.35-50,422.70

Finding the Fourth Proportional to 83,963.18, 115,864.35 and 50,422.70

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Solution

The fourth proportional to 83,963.18, 115,864.35 and 50,422.70 is: 69,580.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,963.18 : 115,864.35 = 50,422.70 : x
  2. Step 2: Convert to fraction form
    83,963.18/115,864.35 = 50,422.70/x
  3. Step 3: Cross multiply
    83,963.18x = 115,864.35 × 50,422.70
  4. Step 4: Simplify right side
    83,963.18x = 5,842,193,360.75
  5. Step 5: Solve for x
    x = 5,842,193,360.75/83,963.18
  6. Step 6: Final answer
    x = 69,580.42

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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.