Home / 87,082.88-130,515.03-47,100.26

Finding the Fourth Proportional to 87,082.88, 130,515.03 and 47,100.26

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Solution

The fourth proportional to 87,082.88, 130,515.03 and 47,100.26 is: 70,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,082.88 : 130,515.03 = 47,100.26 : x
  2. Step 2: Convert to fraction form
    87,082.88/130,515.03 = 47,100.26/x
  3. Step 3: Cross multiply
    87,082.88x = 130,515.03 × 47,100.26
  4. Step 4: Simplify right side
    87,082.88x = 6,147,292,173.20
  5. Step 5: Solve for x
    x = 6,147,292,173.20/87,082.88
  6. Step 6: Final answer
    x = 70,591.29

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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.