Home / 87,419.76-131,126.14-25,090.24

Finding the Fourth Proportional to 87,419.76, 131,126.14 and 25,090.24

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Solution

The fourth proportional to 87,419.76, 131,126.14 and 25,090.24 is: 37,634.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,419.76 : 131,126.14 = 25,090.24 : x
  2. Step 2: Convert to fraction form
    87,419.76/131,126.14 = 25,090.24/x
  3. Step 3: Cross multiply
    87,419.76x = 131,126.14 × 25,090.24
  4. Step 4: Simplify right side
    87,419.76x = 3,289,986,322.87
  5. Step 5: Solve for x
    x = 3,289,986,322.87/87,419.76
  6. Step 6: Final answer
    x = 37,634.36

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1.5x scale

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.