Home / 62,418.91-93,608.92-20,856.19

Finding the Fourth Proportional to 62,418.91, 93,608.92 and 20,856.19

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Solution

The fourth proportional to 62,418.91, 93,608.92 and 20,856.19 is: 31,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,418.91 : 93,608.92 = 20,856.19 : x
  2. Step 2: Convert to fraction form
    62,418.91/93,608.92 = 20,856.19/x
  3. Step 3: Cross multiply
    62,418.91x = 93,608.92 × 20,856.19
  4. Step 4: Simplify right side
    62,418.91x = 1,952,325,213.26
  5. Step 5: Solve for x
    x = 1,952,325,213.26/62,418.91
  6. Step 6: Final answer
    x = 31,277.79

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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.