Home / 45,531.60-62,872.44-28,564.44

Finding the Fourth Proportional to 45,531.60, 62,872.44 and 28,564.44

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Solution

The fourth proportional to 45,531.60, 62,872.44 and 28,564.44 is: 39,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,531.60 : 62,872.44 = 28,564.44 : x
  2. Step 2: Convert to fraction form
    45,531.60/62,872.44 = 28,564.44/x
  3. Step 3: Cross multiply
    45,531.60x = 62,872.44 × 28,564.44
  4. Step 4: Simplify right side
    45,531.60x = 1,795,916,040.03
  5. Step 5: Solve for x
    x = 1,795,916,040.03/45,531.60
  6. Step 6: Final answer
    x = 39,443.29

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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.