Home / 89,190.14-123,082.35-50,425.70

Finding the Fourth Proportional to 89,190.14, 123,082.35 and 50,425.70

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Solution

The fourth proportional to 89,190.14, 123,082.35 and 50,425.70 is: 69,587.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,190.14 : 123,082.35 = 50,425.70 : x
  2. Step 2: Convert to fraction form
    89,190.14/123,082.35 = 50,425.70/x
  3. Step 3: Cross multiply
    89,190.14x = 123,082.35 × 50,425.70
  4. Step 4: Simplify right side
    89,190.14x = 6,206,513,656.40
  5. Step 5: Solve for x
    x = 6,206,513,656.40/89,190.14
  6. Step 6: Final answer
    x = 69,587.44

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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.