Home / 87,625.07-120,922.66-47,338.82

Finding the Fourth Proportional to 87,625.07, 120,922.66 and 47,338.82

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Solution

The fourth proportional to 87,625.07, 120,922.66 and 47,338.82 is: 65,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,625.07 : 120,922.66 = 47,338.82 : x
  2. Step 2: Convert to fraction form
    87,625.07/120,922.66 = 47,338.82/x
  3. Step 3: Cross multiply
    87,625.07x = 120,922.66 × 47,338.82
  4. Step 4: Simplify right side
    87,625.07x = 5,724,336,035.66
  5. Step 5: Solve for x
    x = 5,724,336,035.66/87,625.07
  6. Step 6: Final answer
    x = 65,327.61

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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.