Home / 54,413.70-75,095.43-30,545.10

Finding the Fourth Proportional to 54,413.70, 75,095.43 and 30,545.10

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Solution

The fourth proportional to 54,413.70, 75,095.43 and 30,545.10 is: 42,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,413.70 : 75,095.43 = 30,545.10 : x
  2. Step 2: Convert to fraction form
    54,413.70/75,095.43 = 30,545.10/x
  3. Step 3: Cross multiply
    54,413.70x = 75,095.43 × 30,545.10
  4. Step 4: Simplify right side
    54,413.70x = 2,293,797,418.89
  5. Step 5: Solve for x
    x = 2,293,797,418.89/54,413.70
  6. Step 6: Final answer
    x = 42,154.78

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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.