Home / 78,743.73-108,632.19-50,048.07

Finding the Fourth Proportional to 78,743.73, 108,632.19 and 50,048.07

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Solution

The fourth proportional to 78,743.73, 108,632.19 and 50,048.07 is: 69,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,743.73 : 108,632.19 = 50,048.07 : x
  2. Step 2: Convert to fraction form
    78,743.73/108,632.19 = 50,048.07/x
  3. Step 3: Cross multiply
    78,743.73x = 108,632.19 × 50,048.07
  4. Step 4: Simplify right side
    78,743.73x = 5,436,831,449.37
  5. Step 5: Solve for x
    x = 5,436,831,449.37/78,743.73
  6. Step 6: Final answer
    x = 69,044.63

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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.