Home / 66,956.43-100,382.15-34,857.96

Finding the Fourth Proportional to 66,956.43, 100,382.15 and 34,857.96

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Solution

The fourth proportional to 66,956.43, 100,382.15 and 34,857.96 is: 52,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,956.43 : 100,382.15 = 34,857.96 : x
  2. Step 2: Convert to fraction form
    66,956.43/100,382.15 = 34,857.96/x
  3. Step 3: Cross multiply
    66,956.43x = 100,382.15 × 34,857.96
  4. Step 4: Simplify right side
    66,956.43x = 3,499,116,680.13
  5. Step 5: Solve for x
    x = 3,499,116,680.13/66,956.43
  6. Step 6: Final answer
    x = 52,259.60

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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.