Home / 91,413.92-137,112.24-29,073.44

Finding the Fourth Proportional to 91,413.92, 137,112.24 and 29,073.44

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Solution

The fourth proportional to 91,413.92, 137,112.24 and 29,073.44 is: 43,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,413.92 : 137,112.24 = 29,073.44 : x
  2. Step 2: Convert to fraction form
    91,413.92/137,112.24 = 29,073.44/x
  3. Step 3: Cross multiply
    91,413.92x = 137,112.24 × 29,073.44
  4. Step 4: Simplify right side
    91,413.92x = 3,986,324,482.91
  5. Step 5: Solve for x
    x = 3,986,324,482.91/91,413.92
  6. Step 6: Final answer
    x = 43,607.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.