Home / 63,431.10-95,149.62-52,317.09

Finding the Fourth Proportional to 63,431.10, 95,149.62 and 52,317.09

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Solution

The fourth proportional to 63,431.10, 95,149.62 and 52,317.09 is: 78,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,431.10 : 95,149.62 = 52,317.09 : x
  2. Step 2: Convert to fraction form
    63,431.10/95,149.62 = 52,317.09/x
  3. Step 3: Cross multiply
    63,431.10x = 95,149.62 × 52,317.09
  4. Step 4: Simplify right side
    63,431.10x = 4,977,951,233.01
  5. Step 5: Solve for x
    x = 4,977,951,233.01/63,431.10
  6. Step 6: Final answer
    x = 78,478.08

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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.