Home / 94,749.97-142,199.20-66,100.61

Finding the Fourth Proportional to 94,749.97, 142,199.20 and 66,100.61

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Solution

The fourth proportional to 94,749.97, 142,199.20 and 66,100.61 is: 99,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,749.97 : 142,199.20 = 66,100.61 : x
  2. Step 2: Convert to fraction form
    94,749.97/142,199.20 = 66,100.61/x
  3. Step 3: Cross multiply
    94,749.97x = 142,199.20 × 66,100.61
  4. Step 4: Simplify right side
    94,749.97x = 9,399,453,150.52
  5. Step 5: Solve for x
    x = 9,399,453,150.52/94,749.97
  6. Step 6: Final answer
    x = 99,202.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.