Home / 89,286.15-123,179.81-51,025.17

Finding the Fourth Proportional to 89,286.15, 123,179.81 and 51,025.17

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Solution

The fourth proportional to 89,286.15, 123,179.81 and 51,025.17 is: 70,394.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,286.15 : 123,179.81 = 51,025.17 : x
  2. Step 2: Convert to fraction form
    89,286.15/123,179.81 = 51,025.17/x
  3. Step 3: Cross multiply
    89,286.15x = 123,179.81 × 51,025.17
  4. Step 4: Simplify right side
    89,286.15x = 6,285,270,566.56
  5. Step 5: Solve for x
    x = 6,285,270,566.56/89,286.15
  6. Step 6: Final answer
    x = 70,394.69

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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.