Home / 53,920.27-80,896.47-38,961.19

Finding the Fourth Proportional to 53,920.27, 80,896.47 and 38,961.19

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Solution

The fourth proportional to 53,920.27, 80,896.47 and 38,961.19 is: 58,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,920.27 : 80,896.47 = 38,961.19 : x
  2. Step 2: Convert to fraction form
    53,920.27/80,896.47 = 38,961.19/x
  3. Step 3: Cross multiply
    53,920.27x = 80,896.47 × 38,961.19
  4. Step 4: Simplify right side
    53,920.27x = 3,151,822,738.00
  5. Step 5: Solve for x
    x = 3,151,822,738.00/53,920.27
  6. Step 6: Final answer
    x = 58,453.39

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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.