Home / 68,727.87-94,842.92-40,045.75

Finding the Fourth Proportional to 68,727.87, 94,842.92 and 40,045.75

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Solution

The fourth proportional to 68,727.87, 94,842.92 and 40,045.75 is: 55,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,727.87 : 94,842.92 = 40,045.75 : x
  2. Step 2: Convert to fraction form
    68,727.87/94,842.92 = 40,045.75/x
  3. Step 3: Cross multiply
    68,727.87x = 94,842.92 × 40,045.75
  4. Step 4: Simplify right side
    68,727.87x = 3,798,055,289.26
  5. Step 5: Solve for x
    x = 3,798,055,289.26/68,727.87
  6. Step 6: Final answer
    x = 55,262.23

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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.