Home / 87,420.82-131,108.54-25,076.74

Finding the Fourth Proportional to 87,420.82, 131,108.54 and 25,076.74

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Solution

The fourth proportional to 87,420.82, 131,108.54 and 25,076.74 is: 37,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,420.82 : 131,108.54 = 25,076.74 : x
  2. Step 2: Convert to fraction form
    87,420.82/131,108.54 = 25,076.74/x
  3. Step 3: Cross multiply
    87,420.82x = 131,108.54 × 25,076.74
  4. Step 4: Simplify right side
    87,420.82x = 3,287,774,769.36
  5. Step 5: Solve for x
    x = 3,287,774,769.36/87,420.82
  6. Step 6: Final answer
    x = 37,608.60

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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.