Home / 104,861.97-157,161.60-82,587.38

Finding the Fourth Proportional to 104,861.97, 157,161.60 and 82,587.38

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Solution

The fourth proportional to 104,861.97, 157,161.60 and 82,587.38 is: 123,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,861.97 : 157,161.60 = 82,587.38 : x
  2. Step 2: Convert to fraction form
    104,861.97/157,161.60 = 82,587.38/x
  3. Step 3: Cross multiply
    104,861.97x = 157,161.60 × 82,587.38
  4. Step 4: Simplify right side
    104,861.97x = 12,979,563,994.80
  5. Step 5: Solve for x
    x = 12,979,563,994.80/104,861.97
  6. Step 6: Final answer
    x = 123,777.61

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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.