Home / 83,473.07-115,195.77-47,662.43

Finding the Fourth Proportional to 83,473.07, 115,195.77 and 47,662.43

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Solution

The fourth proportional to 83,473.07, 115,195.77 and 47,662.43 is: 65,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,473.07 : 115,195.77 = 47,662.43 : x
  2. Step 2: Convert to fraction form
    83,473.07/115,195.77 = 47,662.43/x
  3. Step 3: Cross multiply
    83,473.07x = 115,195.77 × 47,662.43
  4. Step 4: Simplify right side
    83,473.07x = 5,490,509,747.94
  5. Step 5: Solve for x
    x = 5,490,509,747.94/83,473.07
  6. Step 6: Final answer
    x = 65,775.83

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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.