Home / 72,942.13-109,413.20-23,694.13

Finding the Fourth Proportional to 72,942.13, 109,413.20 and 23,694.13

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Solution

The fourth proportional to 72,942.13, 109,413.20 and 23,694.13 is: 35,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,942.13 : 109,413.20 = 23,694.13 : x
  2. Step 2: Convert to fraction form
    72,942.13/109,413.20 = 23,694.13/x
  3. Step 3: Cross multiply
    72,942.13x = 109,413.20 × 23,694.13
  4. Step 4: Simplify right side
    72,942.13x = 2,592,450,584.52
  5. Step 5: Solve for x
    x = 2,592,450,584.52/72,942.13
  6. Step 6: Final answer
    x = 35,541.20

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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.