Home / 65,170.26-97,761.09-18,423.15

Finding the Fourth Proportional to 65,170.26, 97,761.09 and 18,423.15

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Solution

The fourth proportional to 65,170.26, 97,761.09 and 18,423.15 is: 27,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,170.26 : 97,761.09 = 18,423.15 : x
  2. Step 2: Convert to fraction form
    65,170.26/97,761.09 = 18,423.15/x
  3. Step 3: Cross multiply
    65,170.26x = 97,761.09 × 18,423.15
  4. Step 4: Simplify right side
    65,170.26x = 1,801,067,225.23
  5. Step 5: Solve for x
    x = 1,801,067,225.23/65,170.26
  6. Step 6: Final answer
    x = 27,636.34

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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.