Home / 95,076.40-131,065.63-72,375.82

Finding the Fourth Proportional to 95,076.40, 131,065.63 and 72,375.82

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Solution

The fourth proportional to 95,076.40, 131,065.63 and 72,375.82 is: 99,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,076.40 : 131,065.63 = 72,375.82 : x
  2. Step 2: Convert to fraction form
    95,076.40/131,065.63 = 72,375.82/x
  3. Step 3: Cross multiply
    95,076.40x = 131,065.63 × 72,375.82
  4. Step 4: Simplify right side
    95,076.40x = 9,485,981,427.86
  5. Step 5: Solve for x
    x = 9,485,981,427.86/95,076.40
  6. Step 6: Final answer
    x = 99,772.20

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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.