Home / 80,398.80-110,936.04-48,546.36

Finding the Fourth Proportional to 80,398.80, 110,936.04 and 48,546.36

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Solution

The fourth proportional to 80,398.80, 110,936.04 and 48,546.36 is: 66,985.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,398.80 : 110,936.04 = 48,546.36 : x
  2. Step 2: Convert to fraction form
    80,398.80/110,936.04 = 48,546.36/x
  3. Step 3: Cross multiply
    80,398.80x = 110,936.04 × 48,546.36
  4. Step 4: Simplify right side
    80,398.80x = 5,385,540,934.81
  5. Step 5: Solve for x
    x = 5,385,540,934.81/80,398.80
  6. Step 6: Final answer
    x = 66,985.34

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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.