Home / 54,113.98-81,172.36-25,644.26

Finding the Fourth Proportional to 54,113.98, 81,172.36 and 25,644.26

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Solution

The fourth proportional to 54,113.98, 81,172.36 and 25,644.26 is: 38,467.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113.98 : 81,172.36 = 25,644.26 : x
  2. Step 2: Convert to fraction form
    54,113.98/81,172.36 = 25,644.26/x
  3. Step 3: Cross multiply
    54,113.98x = 81,172.36 × 25,644.26
  4. Step 4: Simplify right side
    54,113.98x = 2,081,604,698.79
  5. Step 5: Solve for x
    x = 2,081,604,698.79/54,113.98
  6. Step 6: Final answer
    x = 38,467.04

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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.