Home / 54,610.40-81,915.63-15,167.51

Finding the Fourth Proportional to 54,610.40, 81,915.63 and 15,167.51

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Solution

The fourth proportional to 54,610.40, 81,915.63 and 15,167.51 is: 22,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,610.40 : 81,915.63 = 15,167.51 : x
  2. Step 2: Convert to fraction form
    54,610.40/81,915.63 = 15,167.51/x
  3. Step 3: Cross multiply
    54,610.40x = 81,915.63 × 15,167.51
  4. Step 4: Simplify right side
    54,610.40x = 1,242,456,137.18
  5. Step 5: Solve for x
    x = 1,242,456,137.18/54,610.40
  6. Step 6: Final answer
    x = 22,751.27

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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.