Home / 55,316.05-82,974.56-17,876.12

Finding the Fourth Proportional to 55,316.05, 82,974.56 and 17,876.12

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Solution

The fourth proportional to 55,316.05, 82,974.56 and 17,876.12 is: 26,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316.05 : 82,974.56 = 17,876.12 : x
  2. Step 2: Convert to fraction form
    55,316.05/82,974.56 = 17,876.12/x
  3. Step 3: Cross multiply
    55,316.05x = 82,974.56 × 17,876.12
  4. Step 4: Simplify right side
    55,316.05x = 1,483,262,687.25
  5. Step 5: Solve for x
    x = 1,483,262,687.25/55,316.05
  6. Step 6: Final answer
    x = 26,814.33

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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.