Home / 124,436.62-186,654.86-30,942.36

Finding the Fourth Proportional to 124,436.62, 186,654.86 and 30,942.36

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Solution

The fourth proportional to 124,436.62, 186,654.86 and 30,942.36 is: 46,413.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,436.62 : 186,654.86 = 30,942.36 : x
  2. Step 2: Convert to fraction form
    124,436.62/186,654.86 = 30,942.36/x
  3. Step 3: Cross multiply
    124,436.62x = 186,654.86 × 30,942.36
  4. Step 4: Simplify right side
    124,436.62x = 5,775,541,873.87
  5. Step 5: Solve for x
    x = 5,775,541,873.87/124,436.62
  6. Step 6: Final answer
    x = 46,413.52

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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.