Home / 41,129.40-61,694.10-11,548.20

Finding the Fourth Proportional to 41,129.40, 61,694.10 and 11,548.20

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Solution

The fourth proportional to 41,129.40, 61,694.10 and 11,548.20 is: 17,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,129.40 : 61,694.10 = 11,548.20 : x
  2. Step 2: Convert to fraction form
    41,129.40/61,694.10 = 11,548.20/x
  3. Step 3: Cross multiply
    41,129.40x = 61,694.10 × 11,548.20
  4. Step 4: Simplify right side
    41,129.40x = 712,455,805.62
  5. Step 5: Solve for x
    x = 712,455,805.62/41,129.40
  6. Step 6: Final answer
    x = 17,322.30

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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.