Home / 88,691.99-122,394.89-50,451.38

Finding the Fourth Proportional to 88,691.99, 122,394.89 and 50,451.38

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Solution

The fourth proportional to 88,691.99, 122,394.89 and 50,451.38 is: 69,622.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,691.99 : 122,394.89 = 50,451.38 : x
  2. Step 2: Convert to fraction form
    88,691.99/122,394.89 = 50,451.38/x
  3. Step 3: Cross multiply
    88,691.99x = 122,394.89 × 50,451.38
  4. Step 4: Simplify right side
    88,691.99x = 6,174,990,241.22
  5. Step 5: Solve for x
    x = 6,174,990,241.22/88,691.99
  6. Step 6: Final answer
    x = 69,622.87

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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.