Home / 91,174.39-125,808.11-50,884.38

Finding the Fourth Proportional to 91,174.39, 125,808.11 and 50,884.38

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Solution

The fourth proportional to 91,174.39, 125,808.11 and 50,884.38 is: 70,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,174.39 : 125,808.11 = 50,884.38 : x
  2. Step 2: Convert to fraction form
    91,174.39/125,808.11 = 50,884.38/x
  3. Step 3: Cross multiply
    91,174.39x = 125,808.11 × 50,884.38
  4. Step 4: Simplify right side
    91,174.39x = 6,401,667,676.32
  5. Step 5: Solve for x
    x = 6,401,667,676.32/91,174.39
  6. Step 6: Final answer
    x = 70,213.44

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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.