Home / 87,524.57-120,529.76-76,034.25

Finding the Fourth Proportional to 87,524.57, 120,529.76 and 76,034.25

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Solution

The fourth proportional to 87,524.57, 120,529.76 and 76,034.25 is: 104,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,524.57 : 120,529.76 = 76,034.25 : x
  2. Step 2: Convert to fraction form
    87,524.57/120,529.76 = 76,034.25/x
  3. Step 3: Cross multiply
    87,524.57x = 120,529.76 × 76,034.25
  4. Step 4: Simplify right side
    87,524.57x = 9,164,389,904.28
  5. Step 5: Solve for x
    x = 9,164,389,904.28/87,524.57
  6. Step 6: Final answer
    x = 104,706.48

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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.