Home / 71,917.05-99,181.09-45,062.52

Finding the Fourth Proportional to 71,917.05, 99,181.09 and 45,062.52

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Solution

The fourth proportional to 71,917.05, 99,181.09 and 45,062.52 is: 62,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,917.05 : 99,181.09 = 45,062.52 : x
  2. Step 2: Convert to fraction form
    71,917.05/99,181.09 = 45,062.52/x
  3. Step 3: Cross multiply
    71,917.05x = 99,181.09 × 45,062.52
  4. Step 4: Simplify right side
    71,917.05x = 4,469,349,851.75
  5. Step 5: Solve for x
    x = 4,469,349,851.75/71,917.05
  6. Step 6: Final answer
    x = 62,145.90

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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.