Home / 95,378.41-131,617.30-56,617.86

Finding the Fourth Proportional to 95,378.41, 131,617.30 and 56,617.86

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Solution

The fourth proportional to 95,378.41, 131,617.30 and 56,617.86 is: 78,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,378.41 : 131,617.30 = 56,617.86 : x
  2. Step 2: Convert to fraction form
    95,378.41/131,617.30 = 56,617.86/x
  3. Step 3: Cross multiply
    95,378.41x = 131,617.30 × 56,617.86
  4. Step 4: Simplify right side
    95,378.41x = 7,451,889,864.98
  5. Step 5: Solve for x
    x = 7,451,889,864.98/95,378.41
  6. Step 6: Final answer
    x = 78,129.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.