Home / 89,843.56-123,990.26-52,117.81

Finding the Fourth Proportional to 89,843.56, 123,990.26 and 52,117.81

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Solution

The fourth proportional to 89,843.56, 123,990.26 and 52,117.81 is: 71,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,843.56 : 123,990.26 = 52,117.81 : x
  2. Step 2: Convert to fraction form
    89,843.56/123,990.26 = 52,117.81/x
  3. Step 3: Cross multiply
    89,843.56x = 123,990.26 × 52,117.81
  4. Step 4: Simplify right side
    89,843.56x = 6,462,100,241.97
  5. Step 5: Solve for x
    x = 6,462,100,241.97/89,843.56
  6. Step 6: Final answer
    x = 71,926.14

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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.