Home / 102,705.82-141,734.97-60,265.06

Finding the Fourth Proportional to 102,705.82, 141,734.97 and 60,265.06

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Solution

The fourth proportional to 102,705.82, 141,734.97 and 60,265.06 is: 83,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,705.82 : 141,734.97 = 60,265.06 : x
  2. Step 2: Convert to fraction form
    102,705.82/141,734.97 = 60,265.06/x
  3. Step 3: Cross multiply
    102,705.82x = 141,734.97 × 60,265.06
  4. Step 4: Simplify right side
    102,705.82x = 8,541,666,471.15
  5. Step 5: Solve for x
    x = 8,541,666,471.15/102,705.82
  6. Step 6: Final answer
    x = 83,166.33

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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.