Home / 81,173.24-111,946.55-50,961.38

Finding the Fourth Proportional to 81,173.24, 111,946.55 and 50,961.38

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Solution

The fourth proportional to 81,173.24, 111,946.55 and 50,961.38 is: 70,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,173.24 : 111,946.55 = 50,961.38 : x
  2. Step 2: Convert to fraction form
    81,173.24/111,946.55 = 50,961.38/x
  3. Step 3: Cross multiply
    81,173.24x = 111,946.55 × 50,961.38
  4. Step 4: Simplify right side
    81,173.24x = 5,704,950,317.88
  5. Step 5: Solve for x
    x = 5,704,950,317.88/81,173.24
  6. Step 6: Final answer
    x = 70,281.17

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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.