Home / 68,579.20-94,650.24-40,291.84

Finding the Fourth Proportional to 68,579.20, 94,650.24 and 40,291.84

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Solution

The fourth proportional to 68,579.20, 94,650.24 and 40,291.84 is: 55,609.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,579.20 : 94,650.24 = 40,291.84 : x
  2. Step 2: Convert to fraction form
    68,579.20/94,650.24 = 40,291.84/x
  3. Step 3: Cross multiply
    68,579.20x = 94,650.24 × 40,291.84
  4. Step 4: Simplify right side
    68,579.20x = 3,813,632,326.04
  5. Step 5: Solve for x
    x = 3,813,632,326.04/68,579.20
  6. Step 6: Final answer
    x = 55,609.17

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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.