Home / 65,144.57-97,729.16-22,438.62

Finding the Fourth Proportional to 65,144.57, 97,729.16 and 22,438.62

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Solution

The fourth proportional to 65,144.57, 97,729.16 and 22,438.62 is: 33,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,144.57 : 97,729.16 = 22,438.62 : x
  2. Step 2: Convert to fraction form
    65,144.57/97,729.16 = 22,438.62/x
  3. Step 3: Cross multiply
    65,144.57x = 97,729.16 × 22,438.62
  4. Step 4: Simplify right side
    65,144.57x = 2,192,907,371.97
  5. Step 5: Solve for x
    x = 2,192,907,371.97/65,144.57
  6. Step 6: Final answer
    x = 33,662.17

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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.