Home / 55,175.04-76,083.84-36,288

Finding the Fourth Proportional to 55,175.04, 76,083.84 and 36,288

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Solution

The fourth proportional to 55,175.04, 76,083.84 and 36,288 is: 50,039.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,175.04 : 76,083.84 = 36,288 : x
  2. Step 2: Convert to fraction form
    55,175.04/76,083.84 = 36,288/x
  3. Step 3: Cross multiply
    55,175.04x = 76,083.84 × 36,288
  4. Step 4: Simplify right side
    55,175.04x = 2,760,930,385.92
  5. Step 5: Solve for x
    x = 2,760,930,385.92/55,175.04
  6. Step 6: Final answer
    x = 50,039.48

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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.