Home / 89,396.72-123,346.20-50,634.87

Finding the Fourth Proportional to 89,396.72, 123,346.20 and 50,634.87

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Solution

The fourth proportional to 89,396.72, 123,346.20 and 50,634.87 is: 69,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,396.72 : 123,346.20 = 50,634.87 : x
  2. Step 2: Convert to fraction form
    89,396.72/123,346.20 = 50,634.87/x
  3. Step 3: Cross multiply
    89,396.72x = 123,346.20 × 50,634.87
  4. Step 4: Simplify right side
    89,396.72x = 6,245,618,801.99
  5. Step 5: Solve for x
    x = 6,245,618,801.99/89,396.72
  6. Step 6: Final answer
    x = 69,864.08

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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.