Home / 45,988.26-68,982.22-12,708.26

Finding the Fourth Proportional to 45,988.26, 68,982.22 and 12,708.26

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Solution

The fourth proportional to 45,988.26, 68,982.22 and 12,708.26 is: 19,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,988.26 : 68,982.22 = 12,708.26 : x
  2. Step 2: Convert to fraction form
    45,988.26/68,982.22 = 12,708.26/x
  3. Step 3: Cross multiply
    45,988.26x = 68,982.22 × 12,708.26
  4. Step 4: Simplify right side
    45,988.26x = 876,644,175.48
  5. Step 5: Solve for x
    x = 876,644,175.48/45,988.26
  6. Step 6: Final answer
    x = 19,062.35

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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.