Home / 68,517.38-94,563.09-40,223.07

Finding the Fourth Proportional to 68,517.38, 94,563.09 and 40,223.07

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Solution

The fourth proportional to 68,517.38, 94,563.09 and 40,223.07 is: 55,513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,517.38 : 94,563.09 = 40,223.07 : x
  2. Step 2: Convert to fraction form
    68,517.38/94,563.09 = 40,223.07/x
  3. Step 3: Cross multiply
    68,517.38x = 94,563.09 × 40,223.07
  4. Step 4: Simplify right side
    68,517.38x = 3,803,617,788.49
  5. Step 5: Solve for x
    x = 3,803,617,788.49/68,517.38
  6. Step 6: Final answer
    x = 55,513.19

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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.