Home / 84,841.13-117,091.08-49,031.43

Finding the Fourth Proportional to 84,841.13, 117,091.08 and 49,031.43

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Solution

The fourth proportional to 84,841.13, 117,091.08 and 49,031.43 is: 67,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,841.13 : 117,091.08 = 49,031.43 : x
  2. Step 2: Convert to fraction form
    84,841.13/117,091.08 = 49,031.43/x
  3. Step 3: Cross multiply
    84,841.13x = 117,091.08 × 49,031.43
  4. Step 4: Simplify right side
    84,841.13x = 5,741,143,092.64
  5. Step 5: Solve for x
    x = 5,741,143,092.64/84,841.13
  6. Step 6: Final answer
    x = 67,669.34

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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.