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Finding the Fourth Proportional to 79,890.88, 119,836.32 and 27,300.82

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Solution

The fourth proportional to 79,890.88, 119,836.32 and 27,300.82 is: 40,951.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,890.88 : 119,836.32 = 27,300.82 : x
  2. Step 2: Convert to fraction form
    79,890.88/119,836.32 = 27,300.82/x
  3. Step 3: Cross multiply
    79,890.88x = 119,836.32 × 27,300.82
  4. Step 4: Simplify right side
    79,890.88x = 3,271,629,801.78
  5. Step 5: Solve for x
    x = 3,271,629,801.78/79,890.88
  6. Step 6: Final answer
    x = 40,951.23

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1.5x scale

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.