Home / 80,250.35-110,627.57-61,096.78

Finding the Fourth Proportional to 80,250.35, 110,627.57 and 61,096.78

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Solution

The fourth proportional to 80,250.35, 110,627.57 and 61,096.78 is: 84,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,250.35 : 110,627.57 = 61,096.78 : x
  2. Step 2: Convert to fraction form
    80,250.35/110,627.57 = 61,096.78/x
  3. Step 3: Cross multiply
    80,250.35x = 110,627.57 × 61,096.78
  4. Step 4: Simplify right side
    80,250.35x = 6,758,988,597.25
  5. Step 5: Solve for x
    x = 6,758,988,597.25/80,250.35
  6. Step 6: Final answer
    x = 84,223.79

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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.