Home / 84,106.86-126,017.48-50,756.86

Finding the Fourth Proportional to 84,106.86, 126,017.48 and 50,756.86

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Solution

The fourth proportional to 84,106.86, 126,017.48 and 50,756.86 is: 76,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,106.86 : 126,017.48 = 50,756.86 : x
  2. Step 2: Convert to fraction form
    84,106.86/126,017.48 = 50,756.86/x
  3. Step 3: Cross multiply
    84,106.86x = 126,017.48 × 50,756.86
  4. Step 4: Simplify right side
    84,106.86x = 6,396,251,589.91
  5. Step 5: Solve for x
    x = 6,396,251,589.91/84,106.86
  6. Step 6: Final answer
    x = 76,049.11

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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.