Home / 54,720.36-82,068.48-15,266.88

Finding the Fourth Proportional to 54,720.36, 82,068.48 and 15,266.88

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Solution

The fourth proportional to 54,720.36, 82,068.48 and 15,266.88 is: 22,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,720.36 : 82,068.48 = 15,266.88 : x
  2. Step 2: Convert to fraction form
    54,720.36/82,068.48 = 15,266.88/x
  3. Step 3: Cross multiply
    54,720.36x = 82,068.48 × 15,266.88
  4. Step 4: Simplify right side
    54,720.36x = 1,252,929,635.94
  5. Step 5: Solve for x
    x = 1,252,929,635.94/54,720.36
  6. Step 6: Final answer
    x = 22,896.96

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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.