Home / 95,478.72-131,776.65-55,185.54

Finding the Fourth Proportional to 95,478.72, 131,776.65 and 55,185.54

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Solution

The fourth proportional to 95,478.72, 131,776.65 and 55,185.54 is: 76,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,478.72 : 131,776.65 = 55,185.54 : x
  2. Step 2: Convert to fraction form
    95,478.72/131,776.65 = 55,185.54/x
  3. Step 3: Cross multiply
    95,478.72x = 131,776.65 × 55,185.54
  4. Step 4: Simplify right side
    95,478.72x = 7,272,165,589.64
  5. Step 5: Solve for x
    x = 7,272,165,589.64/95,478.72
  6. Step 6: Final answer
    x = 76,165.30

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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.