Home / 95,120.07-131,279.69-54,825.96

Finding the Fourth Proportional to 95,120.07, 131,279.69 and 54,825.96

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Solution

The fourth proportional to 95,120.07, 131,279.69 and 54,825.96 is: 75,667.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,120.07 : 131,279.69 = 54,825.96 : x
  2. Step 2: Convert to fraction form
    95,120.07/131,279.69 = 54,825.96/x
  3. Step 3: Cross multiply
    95,120.07x = 131,279.69 × 54,825.96
  4. Step 4: Simplify right side
    95,120.07x = 7,197,535,353.72
  5. Step 5: Solve for x
    x = 7,197,535,353.72/95,120.07
  6. Step 6: Final answer
    x = 75,667.89

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1.5x scale

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.