Home / 87,080.40-120,169.62-48,839.94

Finding the Fourth Proportional to 87,080.40, 120,169.62 and 48,839.94

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Solution

The fourth proportional to 87,080.40, 120,169.62 and 48,839.94 is: 67,398.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,080.40 : 120,169.62 = 48,839.94 : x
  2. Step 2: Convert to fraction form
    87,080.40/120,169.62 = 48,839.94/x
  3. Step 3: Cross multiply
    87,080.40x = 120,169.62 × 48,839.94
  4. Step 4: Simplify right side
    87,080.40x = 5,869,077,030.62
  5. Step 5: Solve for x
    x = 5,869,077,030.62/87,080.40
  6. Step 6: Final answer
    x = 67,398.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.