Home / 83,693.56-125,540.26-21,364.08

Finding the Fourth Proportional to 83,693.56, 125,540.26 and 21,364.08

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Solution

The fourth proportional to 83,693.56, 125,540.26 and 21,364.08 is: 32,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,693.56 : 125,540.26 = 21,364.08 : x
  2. Step 2: Convert to fraction form
    83,693.56/125,540.26 = 21,364.08/x
  3. Step 3: Cross multiply
    83,693.56x = 125,540.26 × 21,364.08
  4. Step 4: Simplify right side
    83,693.56x = 2,682,052,157.86
  5. Step 5: Solve for x
    x = 2,682,052,157.86/83,693.56
  6. Step 6: Final answer
    x = 32,046.10

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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.