Home / 66,481.20-99,794.70-41,549.40

Finding the Fourth Proportional to 66,481.20, 99,794.70 and 41,549.40

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Solution

The fourth proportional to 66,481.20, 99,794.70 and 41,549.40 is: 62,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,481.20 : 99,794.70 = 41,549.40 : x
  2. Step 2: Convert to fraction form
    66,481.20/99,794.70 = 41,549.40/x
  3. Step 3: Cross multiply
    66,481.20x = 99,794.70 × 41,549.40
  4. Step 4: Simplify right side
    66,481.20x = 4,146,409,908.18
  5. Step 5: Solve for x
    x = 4,146,409,908.18/66,481.20
  6. Step 6: Final answer
    x = 62,369.66

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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.