Home / 83,186.97-114,798.03-47,380.31

Finding the Fourth Proportional to 83,186.97, 114,798.03 and 47,380.31

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Solution

The fourth proportional to 83,186.97, 114,798.03 and 47,380.31 is: 65,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,186.97 : 114,798.03 = 47,380.31 : x
  2. Step 2: Convert to fraction form
    83,186.97/114,798.03 = 47,380.31/x
  3. Step 3: Cross multiply
    83,186.97x = 114,798.03 × 47,380.31
  4. Step 4: Simplify right side
    83,186.97x = 5,439,165,927.62
  5. Step 5: Solve for x
    x = 5,439,165,927.62/83,186.97
  6. Step 6: Final answer
    x = 65,384.83

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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.