Home / 99,367.27-137,119.77-54,044.33

Finding the Fourth Proportional to 99,367.27, 137,119.77 and 54,044.33

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Solution

The fourth proportional to 99,367.27, 137,119.77 and 54,044.33 is: 74,577.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,367.27 : 137,119.77 = 54,044.33 : x
  2. Step 2: Convert to fraction form
    99,367.27/137,119.77 = 54,044.33/x
  3. Step 3: Cross multiply
    99,367.27x = 137,119.77 × 54,044.33
  4. Step 4: Simplify right side
    99,367.27x = 7,410,545,413.81
  5. Step 5: Solve for x
    x = 7,410,545,413.81/99,367.27
  6. Step 6: Final answer
    x = 74,577.33

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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.