Home / 89,277.12-123,202.09-48,991.56

Finding the Fourth Proportional to 89,277.12, 123,202.09 and 48,991.56

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Solution

The fourth proportional to 89,277.12, 123,202.09 and 48,991.56 is: 67,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,277.12 : 123,202.09 = 48,991.56 : x
  2. Step 2: Convert to fraction form
    89,277.12/123,202.09 = 48,991.56/x
  3. Step 3: Cross multiply
    89,277.12x = 123,202.09 × 48,991.56
  4. Step 4: Simplify right side
    89,277.12x = 6,035,862,584.36
  5. Step 5: Solve for x
    x = 6,035,862,584.36/89,277.12
  6. Step 6: Final answer
    x = 67,608.17

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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.