Home / 87,677.80-131,444.70-37,796.20

Finding the Fourth Proportional to 87,677.80, 131,444.70 and 37,796.20

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Solution

The fourth proportional to 87,677.80, 131,444.70 and 37,796.20 is: 56,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,677.80 : 131,444.70 = 37,796.20 : x
  2. Step 2: Convert to fraction form
    87,677.80/131,444.70 = 37,796.20/x
  3. Step 3: Cross multiply
    87,677.80x = 131,444.70 × 37,796.20
  4. Step 4: Simplify right side
    87,677.80x = 4,968,110,170.14
  5. Step 5: Solve for x
    x = 4,968,110,170.14/87,677.80
  6. Step 6: Final answer
    x = 56,663.26

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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.