Home / 99,916.11-137,879.96-54,593.37

Finding the Fourth Proportional to 99,916.11, 137,879.96 and 54,593.37

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Solution

The fourth proportional to 99,916.11, 137,879.96 and 54,593.37 is: 75,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,916.11 : 137,879.96 = 54,593.37 : x
  2. Step 2: Convert to fraction form
    99,916.11/137,879.96 = 54,593.37/x
  3. Step 3: Cross multiply
    99,916.11x = 137,879.96 × 54,593.37
  4. Step 4: Simplify right side
    99,916.11x = 7,527,331,398.90
  5. Step 5: Solve for x
    x = 7,527,331,398.90/99,916.11
  6. Step 6: Final answer
    x = 75,336.51

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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.