Home / 95,061.60-131,438.70-83,251.80

Finding the Fourth Proportional to 95,061.60, 131,438.70 and 83,251.80

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Solution

The fourth proportional to 95,061.60, 131,438.70 and 83,251.80 is: 115,109.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,061.60 : 131,438.70 = 83,251.80 : x
  2. Step 2: Convert to fraction form
    95,061.60/131,438.70 = 83,251.80/x
  3. Step 3: Cross multiply
    95,061.60x = 131,438.70 × 83,251.80
  4. Step 4: Simplify right side
    95,061.60x = 10,942,508,364.66
  5. Step 5: Solve for x
    x = 10,942,508,364.66/95,061.60
  6. Step 6: Final answer
    x = 115,109.66

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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.