Home / 68,723.56-94,829.66-40,418.92

Finding the Fourth Proportional to 68,723.56, 94,829.66 and 40,418.92

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Solution

The fourth proportional to 68,723.56, 94,829.66 and 40,418.92 is: 55,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,723.56 : 94,829.66 = 40,418.92 : x
  2. Step 2: Convert to fraction form
    68,723.56/94,829.66 = 40,418.92/x
  3. Step 3: Cross multiply
    68,723.56x = 94,829.66 × 40,418.92
  4. Step 4: Simplify right side
    68,723.56x = 3,832,912,441.17
  5. Step 5: Solve for x
    x = 3,832,912,441.17/68,723.56
  6. Step 6: Final answer
    x = 55,772.90

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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.