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Finding the Fourth Proportional to 88,404.48, 122,004 and 50,679.36

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Solution

The fourth proportional to 88,404.48, 122,004 and 50,679.36 is: 69,940.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,404.48 : 122,004 = 50,679.36 : x
  2. Step 2: Convert to fraction form
    88,404.48/122,004 = 50,679.36/x
  3. Step 3: Cross multiply
    88,404.48x = 122,004 × 50,679.36
  4. Step 4: Simplify right side
    88,404.48x = 6,183,084,637.44
  5. Step 5: Solve for x
    x = 6,183,084,637.44/88,404.48
  6. Step 6: Final answer
    x = 69,940.85

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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.