Home / 79,816.97-119,644.61-51,754.83

Finding the Fourth Proportional to 79,816.97, 119,644.61 and 51,754.83

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Solution

The fourth proportional to 79,816.97, 119,644.61 and 51,754.83 is: 77,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,816.97 : 119,644.61 = 51,754.83 : x
  2. Step 2: Convert to fraction form
    79,816.97/119,644.61 = 51,754.83/x
  3. Step 3: Cross multiply
    79,816.97x = 119,644.61 × 51,754.83
  4. Step 4: Simplify right side
    79,816.97x = 6,192,186,034.65
  5. Step 5: Solve for x
    x = 6,192,186,034.65/79,816.97
  6. Step 6: Final answer
    x = 77,579.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.