Home / 88,861.57-122,609.19-51,135.82

Finding the Fourth Proportional to 88,861.57, 122,609.19 and 51,135.82

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Solution

The fourth proportional to 88,861.57, 122,609.19 and 51,135.82 is: 70,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,861.57 : 122,609.19 = 51,135.82 : x
  2. Step 2: Convert to fraction form
    88,861.57/122,609.19 = 51,135.82/x
  3. Step 3: Cross multiply
    88,861.57x = 122,609.19 × 51,135.82
  4. Step 4: Simplify right side
    88,861.57x = 6,269,721,470.19
  5. Step 5: Solve for x
    x = 6,269,721,470.19/88,861.57
  6. Step 6: Final answer
    x = 70,556.05

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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.