Home / 87,450.30-120,677.94-51,651.81

Finding the Fourth Proportional to 87,450.30, 120,677.94 and 51,651.81

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Solution

The fourth proportional to 87,450.30, 120,677.94 and 51,651.81 is: 71,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,450.30 : 120,677.94 = 51,651.81 : x
  2. Step 2: Convert to fraction form
    87,450.30/120,677.94 = 51,651.81/x
  3. Step 3: Cross multiply
    87,450.30x = 120,677.94 × 51,651.81
  4. Step 4: Simplify right side
    87,450.30x = 6,233,234,028.07
  5. Step 5: Solve for x
    x = 6,233,234,028.07/87,450.30
  6. Step 6: Final answer
    x = 71,277.45

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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.