Home / 68,601.20-94,680.60-40,313.84

Finding the Fourth Proportional to 68,601.20, 94,680.60 and 40,313.84

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Solution

The fourth proportional to 68,601.20, 94,680.60 and 40,313.84 is: 55,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,601.20 : 94,680.60 = 40,313.84 : x
  2. Step 2: Convert to fraction form
    68,601.20/94,680.60 = 40,313.84/x
  3. Step 3: Cross multiply
    68,601.20x = 94,680.60 × 40,313.84
  4. Step 4: Simplify right side
    68,601.20x = 3,816,938,559.50
  5. Step 5: Solve for x
    x = 3,816,938,559.50/68,601.20
  6. Step 6: Final answer
    x = 55,639.53

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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.