Home / 79,912.20-119,837.16-29,965.04

Finding the Fourth Proportional to 79,912.20, 119,837.16 and 29,965.04

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Solution

The fourth proportional to 79,912.20, 119,837.16 and 29,965.04 is: 44,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,912.20 : 119,837.16 = 29,965.04 : x
  2. Step 2: Convert to fraction form
    79,912.20/119,837.16 = 29,965.04/x
  3. Step 3: Cross multiply
    79,912.20x = 119,837.16 × 29,965.04
  4. Step 4: Simplify right side
    79,912.20x = 3,590,925,292.89
  5. Step 5: Solve for x
    x = 3,590,925,292.89/79,912.20
  6. Step 6: Final answer
    x = 44,935.88

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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.