Home / 95,372.62-131,638.12-55,109.76

Finding the Fourth Proportional to 95,372.62, 131,638.12 and 55,109.76

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Solution

The fourth proportional to 95,372.62, 131,638.12 and 55,109.76 is: 76,065.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,372.62 : 131,638.12 = 55,109.76 : x
  2. Step 2: Convert to fraction form
    95,372.62/131,638.12 = 55,109.76/x
  3. Step 3: Cross multiply
    95,372.62x = 131,638.12 × 55,109.76
  4. Step 4: Simplify right side
    95,372.62x = 7,254,545,200.05
  5. Step 5: Solve for x
    x = 7,254,545,200.05/95,372.62
  6. Step 6: Final answer
    x = 76,065.28

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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.