Home / 80,456.04-111,026.70-48,619.44

Finding the Fourth Proportional to 80,456.04, 111,026.70 and 48,619.44

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Solution

The fourth proportional to 80,456.04, 111,026.70 and 48,619.44 is: 67,093.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,456.04 : 111,026.70 = 48,619.44 : x
  2. Step 2: Convert to fraction form
    80,456.04/111,026.70 = 48,619.44/x
  3. Step 3: Cross multiply
    80,456.04x = 111,026.70 × 48,619.44
  4. Step 4: Simplify right side
    80,456.04x = 5,398,055,979.05
  5. Step 5: Solve for x
    x = 5,398,055,979.05/80,456.04
  6. Step 6: Final answer
    x = 67,093.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.