Home / 95,120.76-131,236.89-54,829.02

Finding the Fourth Proportional to 95,120.76, 131,236.89 and 54,829.02

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Solution

The fourth proportional to 95,120.76, 131,236.89 and 54,829.02 is: 75,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,120.76 : 131,236.89 = 54,829.02 : x
  2. Step 2: Convert to fraction form
    95,120.76/131,236.89 = 54,829.02/x
  3. Step 3: Cross multiply
    95,120.76x = 131,236.89 × 54,829.02
  4. Step 4: Simplify right side
    95,120.76x = 7,195,590,066.55
  5. Step 5: Solve for x
    x = 7,195,590,066.55/95,120.76
  6. Step 6: Final answer
    x = 75,646.89

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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.