Home / 81,174.11-111,947.74-50,962.24

Finding the Fourth Proportional to 81,174.11, 111,947.74 and 50,962.24

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Solution

The fourth proportional to 81,174.11, 111,947.74 and 50,962.24 is: 70,282.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,174.11 : 111,947.74 = 50,962.24 : x
  2. Step 2: Convert to fraction form
    81,174.11/111,947.74 = 50,962.24/x
  3. Step 3: Cross multiply
    81,174.11x = 111,947.74 × 50,962.24
  4. Step 4: Simplify right side
    81,174.11x = 5,705,107,338.53
  5. Step 5: Solve for x
    x = 5,705,107,338.53/81,174.11
  6. Step 6: Final answer
    x = 70,282.36

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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.