Home / 89,643.44-123,680.00-50,874.84

Finding the Fourth Proportional to 89,643.44, 123,680.00 and 50,874.84

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Solution

The fourth proportional to 89,643.44, 123,680.00 and 50,874.84 is: 70,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,643.44 : 123,680.00 = 50,874.84 : x
  2. Step 2: Convert to fraction form
    89,643.44/123,680.00 = 50,874.84/x
  3. Step 3: Cross multiply
    89,643.44x = 123,680.00 × 50,874.84
  4. Step 4: Simplify right side
    89,643.44x = 6,292,200,338.39
  5. Step 5: Solve for x
    x = 6,292,200,338.39/89,643.44
  6. Step 6: Final answer
    x = 70,191.42

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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.