Home / 68,334.68-94,299.72-40,059.20

Finding the Fourth Proportional to 68,334.68, 94,299.72 and 40,059.20

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Solution

The fourth proportional to 68,334.68, 94,299.72 and 40,059.20 is: 55,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,334.68 : 94,299.72 = 40,059.20 : x
  2. Step 2: Convert to fraction form
    68,334.68/94,299.72 = 40,059.20/x
  3. Step 3: Cross multiply
    68,334.68x = 94,299.72 × 40,059.20
  4. Step 4: Simplify right side
    68,334.68x = 3,777,571,343.42
  5. Step 5: Solve for x
    x = 3,777,571,343.42/68,334.68
  6. Step 6: Final answer
    x = 55,280.44

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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.