Home / 84,072.72-116,021.64-45,832.29

Finding the Fourth Proportional to 84,072.72, 116,021.64 and 45,832.29

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Solution

The fourth proportional to 84,072.72, 116,021.64 and 45,832.29 is: 63,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,072.72 : 116,021.64 = 45,832.29 : x
  2. Step 2: Convert to fraction form
    84,072.72/116,021.64 = 45,832.29/x
  3. Step 3: Cross multiply
    84,072.72x = 116,021.64 × 45,832.29
  4. Step 4: Simplify right side
    84,072.72x = 5,317,537,450.76
  5. Step 5: Solve for x
    x = 5,317,537,450.76/84,072.72
  6. Step 6: Final answer
    x = 63,249.26

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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.