Home / 88,616.36-122,285.78-50,370.60

Finding the Fourth Proportional to 88,616.36, 122,285.78 and 50,370.60

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Solution

The fourth proportional to 88,616.36, 122,285.78 and 50,370.60 is: 69,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,616.36 : 122,285.78 = 50,370.60 : x
  2. Step 2: Convert to fraction form
    88,616.36/122,285.78 = 50,370.60/x
  3. Step 3: Cross multiply
    88,616.36x = 122,285.78 × 50,370.60
  4. Step 4: Simplify right side
    88,616.36x = 6,159,608,110.07
  5. Step 5: Solve for x
    x = 6,159,608,110.07/88,616.36
  6. Step 6: Final answer
    x = 69,508.70

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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.