Home / 87,016.20-130,427.10-37,087.80

Finding the Fourth Proportional to 87,016.20, 130,427.10 and 37,087.80

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Solution

The fourth proportional to 87,016.20, 130,427.10 and 37,087.80 is: 55,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,016.20 : 130,427.10 = 37,087.80 : x
  2. Step 2: Convert to fraction form
    87,016.20/130,427.10 = 37,087.80/x
  3. Step 3: Cross multiply
    87,016.20x = 130,427.10 × 37,087.80
  4. Step 4: Simplify right side
    87,016.20x = 4,837,254,199.38
  5. Step 5: Solve for x
    x = 4,837,254,199.38/87,016.20
  6. Step 6: Final answer
    x = 55,590.27

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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.