Home / 105,916.31-158,874.33-27,030.54

Finding the Fourth Proportional to 105,916.31, 158,874.33 and 27,030.54

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Solution

The fourth proportional to 105,916.31, 158,874.33 and 27,030.54 is: 40,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,916.31 : 158,874.33 = 27,030.54 : x
  2. Step 2: Convert to fraction form
    105,916.31/158,874.33 = 27,030.54/x
  3. Step 3: Cross multiply
    105,916.31x = 158,874.33 × 27,030.54
  4. Step 4: Simplify right side
    105,916.31x = 4,294,458,932.04
  5. Step 5: Solve for x
    x = 4,294,458,932.04/105,916.31
  6. Step 6: Final answer
    x = 40,545.78

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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.