Home / 45,864.62-68,807.76-14,273.20

Finding the Fourth Proportional to 45,864.62, 68,807.76 and 14,273.20

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Solution

The fourth proportional to 45,864.62, 68,807.76 and 14,273.20 is: 21,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,864.62 : 68,807.76 = 14,273.20 : x
  2. Step 2: Convert to fraction form
    45,864.62/68,807.76 = 14,273.20/x
  3. Step 3: Cross multiply
    45,864.62x = 68,807.76 × 14,273.20
  4. Step 4: Simplify right side
    45,864.62x = 982,106,920.03
  5. Step 5: Solve for x
    x = 982,106,920.03/45,864.62
  6. Step 6: Final answer
    x = 21,413.17

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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.