Home / 97,672.20-146,408.39-66,085.60

Finding the Fourth Proportional to 97,672.20, 146,408.39 and 66,085.60

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Solution

The fourth proportional to 97,672.20, 146,408.39 and 66,085.60 is: 99,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,672.20 : 146,408.39 = 66,085.60 : x
  2. Step 2: Convert to fraction form
    97,672.20/146,408.39 = 66,085.60/x
  3. Step 3: Cross multiply
    97,672.20x = 146,408.39 × 66,085.60
  4. Step 4: Simplify right side
    97,672.20x = 9,675,485,526.43
  5. Step 5: Solve for x
    x = 9,675,485,526.43/97,672.20
  6. Step 6: Final answer
    x = 99,060.79

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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.