Home / 79,983.15-110,372.29-49,767.51

Finding the Fourth Proportional to 79,983.15, 110,372.29 and 49,767.51

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Solution

The fourth proportional to 79,983.15, 110,372.29 and 49,767.51 is: 68,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,983.15 : 110,372.29 = 49,767.51 : x
  2. Step 2: Convert to fraction form
    79,983.15/110,372.29 = 49,767.51/x
  3. Step 3: Cross multiply
    79,983.15x = 110,372.29 × 49,767.51
  4. Step 4: Simplify right side
    79,983.15x = 5,492,954,046.30
  5. Step 5: Solve for x
    x = 5,492,954,046.30/79,983.15
  6. Step 6: Final answer
    x = 68,676.39

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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.