Home / 67,930.62-93,711.78-40,693.56

Finding the Fourth Proportional to 67,930.62, 93,711.78 and 40,693.56

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Solution

The fourth proportional to 67,930.62, 93,711.78 and 40,693.56 is: 56,137.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,930.62 : 93,711.78 = 40,693.56 : x
  2. Step 2: Convert to fraction form
    67,930.62/93,711.78 = 40,693.56/x
  3. Step 3: Cross multiply
    67,930.62x = 93,711.78 × 40,693.56
  4. Step 4: Simplify right side
    67,930.62x = 3,813,465,942.14
  5. Step 5: Solve for x
    x = 3,813,465,942.14/67,930.62
  6. Step 6: Final answer
    x = 56,137.66

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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.