Home / 71,546.82-98,761.11-61,434.63

Finding the Fourth Proportional to 71,546.82, 98,761.11 and 61,434.63

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Solution

The fourth proportional to 71,546.82, 98,761.11 and 61,434.63 is: 84,802.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,546.82 : 98,761.11 = 61,434.63 : x
  2. Step 2: Convert to fraction form
    71,546.82/98,761.11 = 61,434.63/x
  3. Step 3: Cross multiply
    71,546.82x = 98,761.11 × 61,434.63
  4. Step 4: Simplify right side
    71,546.82x = 6,067,352,251.24
  5. Step 5: Solve for x
    x = 6,067,352,251.24/71,546.82
  6. Step 6: Final answer
    x = 84,802.54

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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.