Home / 87,057.54-130,503.48-27,855.04

Finding the Fourth Proportional to 87,057.54, 130,503.48 and 27,855.04

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Solution

The fourth proportional to 87,057.54, 130,503.48 and 27,855.04 is: 41,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,057.54 : 130,503.48 = 27,855.04 : x
  2. Step 2: Convert to fraction form
    87,057.54/130,503.48 = 27,855.04/x
  3. Step 3: Cross multiply
    87,057.54x = 130,503.48 × 27,855.04
  4. Step 4: Simplify right side
    87,057.54x = 3,635,179,655.54
  5. Step 5: Solve for x
    x = 3,635,179,655.54/87,057.54
  6. Step 6: Final answer
    x = 41,756.06

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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.