Home / 68,917.12-95,079.36-40,612.48

Finding the Fourth Proportional to 68,917.12, 95,079.36 and 40,612.48

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Solution

The fourth proportional to 68,917.12, 95,079.36 and 40,612.48 is: 56,029.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,917.12 : 95,079.36 = 40,612.48 : x
  2. Step 2: Convert to fraction form
    68,917.12/95,079.36 = 40,612.48/x
  3. Step 3: Cross multiply
    68,917.12x = 95,079.36 × 40,612.48
  4. Step 4: Simplify right side
    68,917.12x = 3,861,408,606.41
  5. Step 5: Solve for x
    x = 3,861,408,606.41/68,917.12
  6. Step 6: Final answer
    x = 56,029.74

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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.