Home / 60,741.06-91,122.42-18,620.28

Finding the Fourth Proportional to 60,741.06, 91,122.42 and 18,620.28

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Solution

The fourth proportional to 60,741.06, 91,122.42 and 18,620.28 is: 27,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,741.06 : 91,122.42 = 18,620.28 : x
  2. Step 2: Convert to fraction form
    60,741.06/91,122.42 = 18,620.28/x
  3. Step 3: Cross multiply
    60,741.06x = 91,122.42 × 18,620.28
  4. Step 4: Simplify right side
    60,741.06x = 1,696,724,974.68
  5. Step 5: Solve for x
    x = 1,696,724,974.68/60,741.06
  6. Step 6: Final answer
    x = 27,933.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.