Home / 83,786.19-125,679.31-24,621.86

Finding the Fourth Proportional to 83,786.19, 125,679.31 and 24,621.86

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Solution

The fourth proportional to 83,786.19, 125,679.31 and 24,621.86 is: 36,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,786.19 : 125,679.31 = 24,621.86 : x
  2. Step 2: Convert to fraction form
    83,786.19/125,679.31 = 24,621.86/x
  3. Step 3: Cross multiply
    83,786.19x = 125,679.31 × 24,621.86
  4. Step 4: Simplify right side
    83,786.19x = 3,094,458,582.19
  5. Step 5: Solve for x
    x = 3,094,458,582.19/83,786.19
  6. Step 6: Final answer
    x = 36,932.80

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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.