Home / 68,745.71-94,867.50-40,063.55

Finding the Fourth Proportional to 68,745.71, 94,867.50 and 40,063.55

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Solution

The fourth proportional to 68,745.71, 94,867.50 and 40,063.55 is: 55,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,745.71 : 94,867.50 = 40,063.55 : x
  2. Step 2: Convert to fraction form
    68,745.71/94,867.50 = 40,063.55/x
  3. Step 3: Cross multiply
    68,745.71x = 94,867.50 × 40,063.55
  4. Step 4: Simplify right side
    68,745.71x = 3,800,728,505.53
  5. Step 5: Solve for x
    x = 3,800,728,505.53/68,745.71
  6. Step 6: Final answer
    x = 55,286.77

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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.