Home / 87,841.65-121,222.44-47,556.27

Finding the Fourth Proportional to 87,841.65, 121,222.44 and 47,556.27

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Solution

The fourth proportional to 87,841.65, 121,222.44 and 47,556.27 is: 65,628.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,841.65 : 121,222.44 = 47,556.27 : x
  2. Step 2: Convert to fraction form
    87,841.65/121,222.44 = 47,556.27/x
  3. Step 3: Cross multiply
    87,841.65x = 121,222.44 × 47,556.27
  4. Step 4: Simplify right side
    87,841.65x = 5,764,887,086.70
  5. Step 5: Solve for x
    x = 5,764,887,086.70/87,841.65
  6. Step 6: Final answer
    x = 65,628.17

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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.