Home / 66,481.38-99,670.20-33,184.74

Finding the Fourth Proportional to 66,481.38, 99,670.20 and 33,184.74

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Solution

The fourth proportional to 66,481.38, 99,670.20 and 33,184.74 is: 49,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,481.38 : 99,670.20 = 33,184.74 : x
  2. Step 2: Convert to fraction form
    66,481.38/99,670.20 = 33,184.74/x
  3. Step 3: Cross multiply
    66,481.38x = 99,670.20 × 33,184.74
  4. Step 4: Simplify right side
    66,481.38x = 3,307,529,672.75
  5. Step 5: Solve for x
    x = 3,307,529,672.75/66,481.38
  6. Step 6: Final answer
    x = 49,751.22

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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.