Home / 104,837.28-144,675.68-57,093.72

Finding the Fourth Proportional to 104,837.28, 144,675.68 and 57,093.72

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Solution

The fourth proportional to 104,837.28, 144,675.68 and 57,093.72 is: 78,789.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,837.28 : 144,675.68 = 57,093.72 : x
  2. Step 2: Convert to fraction form
    104,837.28/144,675.68 = 57,093.72/x
  3. Step 3: Cross multiply
    104,837.28x = 144,675.68 × 57,093.72
  4. Step 4: Simplify right side
    104,837.28x = 8,260,072,764.73
  5. Step 5: Solve for x
    x = 8,260,072,764.73/104,837.28
  6. Step 6: Final answer
    x = 78,789.46

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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.