Home / 81,627.03-122,395.88-25,452.11

Finding the Fourth Proportional to 81,627.03, 122,395.88 and 25,452.11

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Solution

The fourth proportional to 81,627.03, 122,395.88 and 25,452.11 is: 38,164.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,627.03 : 122,395.88 = 25,452.11 : x
  2. Step 2: Convert to fraction form
    81,627.03/122,395.88 = 25,452.11/x
  3. Step 3: Cross multiply
    81,627.03x = 122,395.88 × 25,452.11
  4. Step 4: Simplify right side
    81,627.03x = 3,115,232,662.07
  5. Step 5: Solve for x
    x = 3,115,232,662.07/81,627.03
  6. Step 6: Final answer
    x = 38,164.23

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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.