Home / 54,515.20-81,775.44-15,071.44

Finding the Fourth Proportional to 54,515.20, 81,775.44 and 15,071.44

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Solution

The fourth proportional to 54,515.20, 81,775.44 and 15,071.44 is: 22,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,515.20 : 81,775.44 = 15,071.44 : x
  2. Step 2: Convert to fraction form
    54,515.20/81,775.44 = 15,071.44/x
  3. Step 3: Cross multiply
    54,515.20x = 81,775.44 × 15,071.44
  4. Step 4: Simplify right side
    54,515.20x = 1,232,473,637.43
  5. Step 5: Solve for x
    x = 1,232,473,637.43/54,515.20
  6. Step 6: Final answer
    x = 22,607.89

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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.