Home / 51,251.72-70,723.92-29,742.10

Finding the Fourth Proportional to 51,251.72, 70,723.92 and 29,742.10

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Solution

The fourth proportional to 51,251.72, 70,723.92 and 29,742.10 is: 41,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,251.72 : 70,723.92 = 29,742.10 : x
  2. Step 2: Convert to fraction form
    51,251.72/70,723.92 = 29,742.10/x
  3. Step 3: Cross multiply
    51,251.72x = 70,723.92 × 29,742.10
  4. Step 4: Simplify right side
    51,251.72x = 2,103,477,901.03
  5. Step 5: Solve for x
    x = 2,103,477,901.03/51,251.72
  6. Step 6: Final answer
    x = 41,042.09

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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.