Home / 87,003.80-120,073.65-48,769.82

Finding the Fourth Proportional to 87,003.80, 120,073.65 and 48,769.82

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Solution

The fourth proportional to 87,003.80, 120,073.65 and 48,769.82 is: 67,307.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,003.80 : 120,073.65 = 48,769.82 : x
  2. Step 2: Convert to fraction form
    87,003.80/120,073.65 = 48,769.82/x
  3. Step 3: Cross multiply
    87,003.80x = 120,073.65 × 48,769.82
  4. Step 4: Simplify right side
    87,003.80x = 5,855,970,297.24
  5. Step 5: Solve for x
    x = 5,855,970,297.24/87,003.80
  6. Step 6: Final answer
    x = 67,307.06

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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.