Home / 48,776.09-73,162.44-20,678.04

Finding the Fourth Proportional to 48,776.09, 73,162.44 and 20,678.04

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Solution

The fourth proportional to 48,776.09, 73,162.44 and 20,678.04 is: 31,016.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,776.09 : 73,162.44 = 20,678.04 : x
  2. Step 2: Convert to fraction form
    48,776.09/73,162.44 = 20,678.04/x
  3. Step 3: Cross multiply
    48,776.09x = 73,162.44 × 20,678.04
  4. Step 4: Simplify right side
    48,776.09x = 1,512,855,860.82
  5. Step 5: Solve for x
    x = 1,512,855,860.82/48,776.09
  6. Step 6: Final answer
    x = 31,016.34

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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.