Home / 107,495.10-161,198.91-48,314.88

Finding the Fourth Proportional to 107,495.10, 161,198.91 and 48,314.88

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Solution

The fourth proportional to 107,495.10, 161,198.91 and 48,314.88 is: 72,452.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,495.10 : 161,198.91 = 48,314.88 : x
  2. Step 2: Convert to fraction form
    107,495.10/161,198.91 = 48,314.88/x
  3. Step 3: Cross multiply
    107,495.10x = 161,198.91 × 48,314.88
  4. Step 4: Simplify right side
    107,495.10x = 7,788,305,992.78
  5. Step 5: Solve for x
    x = 7,788,305,992.78/107,495.10
  6. Step 6: Final answer
    x = 72,452.66

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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.