Home / 95,129.56-131,278.66-52,688.04

Finding the Fourth Proportional to 95,129.56, 131,278.66 and 52,688.04

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Solution

The fourth proportional to 95,129.56, 131,278.66 and 52,688.04 is: 72,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,129.56 : 131,278.66 = 52,688.04 : x
  2. Step 2: Convert to fraction form
    95,129.56/131,278.66 = 52,688.04/x
  3. Step 3: Cross multiply
    95,129.56x = 131,278.66 × 52,688.04
  4. Step 4: Simplify right side
    95,129.56x = 6,916,815,289.23
  5. Step 5: Solve for x
    x = 6,916,815,289.23/95,129.56
  6. Step 6: Final answer
    x = 72,709.42

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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.