Home / 54,720.36-82,116.72-25,137

Finding the Fourth Proportional to 54,720.36, 82,116.72 and 25,137

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Solution

The fourth proportional to 54,720.36, 82,116.72 and 25,137 is: 37,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,720.36 : 82,116.72 = 25,137 : x
  2. Step 2: Convert to fraction form
    54,720.36/82,116.72 = 25,137/x
  3. Step 3: Cross multiply
    54,720.36x = 82,116.72 × 25,137
  4. Step 4: Simplify right side
    54,720.36x = 2,064,167,990.64
  5. Step 5: Solve for x
    x = 2,064,167,990.64/54,720.36
  6. Step 6: Final answer
    x = 37,722.12

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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.