Home / 80,708.28-121,081.83-25,304.28

Finding the Fourth Proportional to 80,708.28, 121,081.83 and 25,304.28

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Solution

The fourth proportional to 80,708.28, 121,081.83 and 25,304.28 is: 37,962.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,708.28 : 121,081.83 = 25,304.28 : x
  2. Step 2: Convert to fraction form
    80,708.28/121,081.83 = 25,304.28/x
  3. Step 3: Cross multiply
    80,708.28x = 121,081.83 × 25,304.28
  4. Step 4: Simplify right side
    80,708.28x = 3,063,888,529.23
  5. Step 5: Solve for x
    x = 3,063,888,529.23/80,708.28
  6. Step 6: Final answer
    x = 37,962.51

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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.