Home / 66,197.10-91,351.83-35,982.42

Finding the Fourth Proportional to 66,197.10, 91,351.83 and 35,982.42

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Solution

The fourth proportional to 66,197.10, 91,351.83 and 35,982.42 is: 49,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,197.10 : 91,351.83 = 35,982.42 : x
  2. Step 2: Convert to fraction form
    66,197.10/91,351.83 = 35,982.42/x
  3. Step 3: Cross multiply
    66,197.10x = 91,351.83 × 35,982.42
  4. Step 4: Simplify right side
    66,197.10x = 3,287,059,914.83
  5. Step 5: Solve for x
    x = 3,287,059,914.83/66,197.10
  6. Step 6: Final answer
    x = 49,655.65

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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.