Home / 101,167.16-151,781.10-47,899.73

Finding the Fourth Proportional to 101,167.16, 151,781.10 and 47,899.73

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Solution

The fourth proportional to 101,167.16, 151,781.10 and 47,899.73 is: 71,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,167.16 : 151,781.10 = 47,899.73 : x
  2. Step 2: Convert to fraction form
    101,167.16/151,781.10 = 47,899.73/x
  3. Step 3: Cross multiply
    101,167.16x = 151,781.10 × 47,899.73
  4. Step 4: Simplify right side
    101,167.16x = 7,270,273,709.10
  5. Step 5: Solve for x
    x = 7,270,273,709.10/101,167.16
  6. Step 6: Final answer
    x = 71,863.97

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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.