Home / 211,676.09-317,481.32-61,881.17

Finding the Fourth Proportional to 211,676.09, 317,481.32 and 61,881.17

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Solution

The fourth proportional to 211,676.09, 317,481.32 and 61,881.17 is: 92,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,676.09 : 317,481.32 = 61,881.17 : x
  2. Step 2: Convert to fraction form
    211,676.09/317,481.32 = 61,881.17/x
  3. Step 3: Cross multiply
    211,676.09x = 317,481.32 × 61,881.17
  4. Step 4: Simplify right side
    211,676.09x = 19,646,114,102.04
  5. Step 5: Solve for x
    x = 19,646,114,102.04/211,676.09
  6. Step 6: Final answer
    x = 92,812.16

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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.