Home / 47,791.10-71,588.10-28,009.70

Finding the Fourth Proportional to 47,791.10, 71,588.10 and 28,009.70

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Solution

The fourth proportional to 47,791.10, 71,588.10 and 28,009.70 is: 41,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,791.10 : 71,588.10 = 28,009.70 : x
  2. Step 2: Convert to fraction form
    47,791.10/71,588.10 = 28,009.70/x
  3. Step 3: Cross multiply
    47,791.10x = 71,588.10 × 28,009.70
  4. Step 4: Simplify right side
    47,791.10x = 2,005,161,204.57
  5. Step 5: Solve for x
    x = 2,005,161,204.57/47,791.10
  6. Step 6: Final answer
    x = 41,956.79

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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.