Home / 68,826.92-94,983.64-38,612.30

Finding the Fourth Proportional to 68,826.92, 94,983.64 and 38,612.30

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Solution

The fourth proportional to 68,826.92, 94,983.64 and 38,612.30 is: 53,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,826.92 : 94,983.64 = 38,612.30 : x
  2. Step 2: Convert to fraction form
    68,826.92/94,983.64 = 38,612.30/x
  3. Step 3: Cross multiply
    68,826.92x = 94,983.64 × 38,612.30
  4. Step 4: Simplify right side
    68,826.92x = 3,667,536,231.32
  5. Step 5: Solve for x
    x = 3,667,536,231.32/68,826.92
  6. Step 6: Final answer
    x = 53,286.37

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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.