Home / 109,556.43-151,187.91-59,255.43

Finding the Fourth Proportional to 109,556.43, 151,187.91 and 59,255.43

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Solution

The fourth proportional to 109,556.43, 151,187.91 and 59,255.43 is: 81,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,556.43 : 151,187.91 = 59,255.43 : x
  2. Step 2: Convert to fraction form
    109,556.43/151,187.91 = 59,255.43/x
  3. Step 3: Cross multiply
    109,556.43x = 151,187.91 × 59,255.43
  4. Step 4: Simplify right side
    109,556.43x = 8,958,704,617.85
  5. Step 5: Solve for x
    x = 8,958,704,617.85/109,556.43
  6. Step 6: Final answer
    x = 81,772.51

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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.