Home / 68,439.28-102,723.48-35,182.66

Finding the Fourth Proportional to 68,439.28, 102,723.48 and 35,182.66

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Solution

The fourth proportional to 68,439.28, 102,723.48 and 35,182.66 is: 52,807.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,439.28 : 102,723.48 = 35,182.66 : x
  2. Step 2: Convert to fraction form
    68,439.28/102,723.48 = 35,182.66/x
  3. Step 3: Cross multiply
    68,439.28x = 102,723.48 × 35,182.66
  4. Step 4: Simplify right side
    68,439.28x = 3,614,085,270.86
  5. Step 5: Solve for x
    x = 3,614,085,270.86/68,439.28
  6. Step 6: Final answer
    x = 52,807.18

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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.