Home / 67,474.05-93,122.40-39,179.73

Finding the Fourth Proportional to 67,474.05, 93,122.40 and 39,179.73

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Solution

The fourth proportional to 67,474.05, 93,122.40 and 39,179.73 is: 54,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,474.05 : 93,122.40 = 39,179.73 : x
  2. Step 2: Convert to fraction form
    67,474.05/93,122.40 = 39,179.73/x
  3. Step 3: Cross multiply
    67,474.05x = 93,122.40 × 39,179.73
  4. Step 4: Simplify right side
    67,474.05x = 3,648,510,488.95
  5. Step 5: Solve for x
    x = 3,648,510,488.95/67,474.05
  6. Step 6: Final answer
    x = 54,072.80

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1.5x scale

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.