Home / 87,421.82-131,110.04-25,077.74

Finding the Fourth Proportional to 87,421.82, 131,110.04 and 25,077.74

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Solution

The fourth proportional to 87,421.82, 131,110.04 and 25,077.74 is: 37,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,421.82 : 131,110.04 = 25,077.74 : x
  2. Step 2: Convert to fraction form
    87,421.82/131,110.04 = 25,077.74/x
  3. Step 3: Cross multiply
    87,421.82x = 131,110.04 × 25,077.74
  4. Step 4: Simplify right side
    87,421.82x = 3,287,943,494.51
  5. Step 5: Solve for x
    x = 3,287,943,494.51/87,421.82
  6. Step 6: Final answer
    x = 37,610.10

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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.