Home / 83,976.75-125,966.13-35,938.86

Finding the Fourth Proportional to 83,976.75, 125,966.13 and 35,938.86

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Solution

The fourth proportional to 83,976.75, 125,966.13 and 35,938.86 is: 53,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,976.75 : 125,966.13 = 35,938.86 : x
  2. Step 2: Convert to fraction form
    83,976.75/125,966.13 = 35,938.86/x
  3. Step 3: Cross multiply
    83,976.75x = 125,966.13 × 35,938.86
  4. Step 4: Simplify right side
    83,976.75x = 4,527,079,110.81
  5. Step 5: Solve for x
    x = 4,527,079,110.81/83,976.75
  6. Step 6: Final answer
    x = 53,908.72

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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.