Home / 107,623.20-161,413.20-51,463.20

Finding the Fourth Proportional to 107,623.20, 161,413.20 and 51,463.20

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Solution

The fourth proportional to 107,623.20, 161,413.20 and 51,463.20 is: 77,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,623.20 : 161,413.20 = 51,463.20 : x
  2. Step 2: Convert to fraction form
    107,623.20/161,413.20 = 51,463.20/x
  3. Step 3: Cross multiply
    107,623.20x = 161,413.20 × 51,463.20
  4. Step 4: Simplify right side
    107,623.20x = 8,306,839,794.24
  5. Step 5: Solve for x
    x = 8,306,839,794.24/107,623.20
  6. Step 6: Final answer
    x = 77,184.47

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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.