Home / 84,474.28-126,664.38-34,589.32

Finding the Fourth Proportional to 84,474.28, 126,664.38 and 34,589.32

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Solution

The fourth proportional to 84,474.28, 126,664.38 and 34,589.32 is: 51,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,474.28 : 126,664.38 = 34,589.32 : x
  2. Step 2: Convert to fraction form
    84,474.28/126,664.38 = 34,589.32/x
  3. Step 3: Cross multiply
    84,474.28x = 126,664.38 × 34,589.32
  4. Step 4: Simplify right side
    84,474.28x = 4,381,234,772.42
  5. Step 5: Solve for x
    x = 4,381,234,772.42/84,474.28
  6. Step 6: Final answer
    x = 51,864.72

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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.