Home / 48,219.78-72,318.73-17,055.03

Finding the Fourth Proportional to 48,219.78, 72,318.73 and 17,055.03

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Solution

The fourth proportional to 48,219.78, 72,318.73 and 17,055.03 is: 25,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,219.78 : 72,318.73 = 17,055.03 : x
  2. Step 2: Convert to fraction form
    48,219.78/72,318.73 = 17,055.03/x
  3. Step 3: Cross multiply
    48,219.78x = 72,318.73 × 17,055.03
  4. Step 4: Simplify right side
    48,219.78x = 1,233,398,109.71
  5. Step 5: Solve for x
    x = 1,233,398,109.71/48,219.78
  6. Step 6: Final answer
    x = 25,578.68

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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.