Home / 79,789.47-119,687.25-29,864.31

Finding the Fourth Proportional to 79,789.47, 119,687.25 and 29,864.31

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Solution

The fourth proportional to 79,789.47, 119,687.25 and 29,864.31 is: 44,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,789.47 : 119,687.25 = 29,864.31 : x
  2. Step 2: Convert to fraction form
    79,789.47/119,687.25 = 29,864.31/x
  3. Step 3: Cross multiply
    79,789.47x = 119,687.25 × 29,864.31
  4. Step 4: Simplify right side
    79,789.47x = 3,574,377,137.05
  5. Step 5: Solve for x
    x = 3,574,377,137.05/79,789.47
  6. Step 6: Final answer
    x = 44,797.60

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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.