Home / 83,399.20-125,111.75-28,008.16

Finding the Fourth Proportional to 83,399.20, 125,111.75 and 28,008.16

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Solution

The fourth proportional to 83,399.20, 125,111.75 and 28,008.16 is: 42,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,399.20 : 125,111.75 = 28,008.16 : x
  2. Step 2: Convert to fraction form
    83,399.20/125,111.75 = 28,008.16/x
  3. Step 3: Cross multiply
    83,399.20x = 125,111.75 × 28,008.16
  4. Step 4: Simplify right side
    83,399.20x = 3,504,149,146.28
  5. Step 5: Solve for x
    x = 3,504,149,146.28/83,399.20
  6. Step 6: Final answer
    x = 42,016.58

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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.