Home / 68,201.28-94,143.36-50,439.12

Finding the Fourth Proportional to 68,201.28, 94,143.36 and 50,439.12

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Solution

The fourth proportional to 68,201.28, 94,143.36 and 50,439.12 is: 69,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,201.28 : 94,143.36 = 50,439.12 : x
  2. Step 2: Convert to fraction form
    68,201.28/94,143.36 = 50,439.12/x
  3. Step 3: Cross multiply
    68,201.28x = 94,143.36 × 50,439.12
  4. Step 4: Simplify right side
    68,201.28x = 4,748,508,232.24
  5. Step 5: Solve for x
    x = 4,748,508,232.24/68,201.28
  6. Step 6: Final answer
    x = 69,624.91

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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.