Home / 48,609.72-72,864.46-18,616.84

Finding the Fourth Proportional to 48,609.72, 72,864.46 and 18,616.84

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Solution

The fourth proportional to 48,609.72, 72,864.46 and 18,616.84 is: 27,906.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,609.72 : 72,864.46 = 18,616.84 : x
  2. Step 2: Convert to fraction form
    48,609.72/72,864.46 = 18,616.84/x
  3. Step 3: Cross multiply
    48,609.72x = 72,864.46 × 18,616.84
  4. Step 4: Simplify right side
    48,609.72x = 1,356,505,834.62
  5. Step 5: Solve for x
    x = 1,356,505,834.62/48,609.72
  6. Step 6: Final answer
    x = 27,906.06

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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.