Home / 87,435.36-131,172.48-25,101.12

Finding the Fourth Proportional to 87,435.36, 131,172.48 and 25,101.12

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Solution

The fourth proportional to 87,435.36, 131,172.48 and 25,101.12 is: 37,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,435.36 : 131,172.48 = 25,101.12 : x
  2. Step 2: Convert to fraction form
    87,435.36/131,172.48 = 25,101.12/x
  3. Step 3: Cross multiply
    87,435.36x = 131,172.48 × 25,101.12
  4. Step 4: Simplify right side
    87,435.36x = 3,292,576,161.18
  5. Step 5: Solve for x
    x = 3,292,576,161.18/87,435.36
  6. Step 6: Final answer
    x = 37,657.26

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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.