Home / 104,789.92-144,611.60-57,044.76

Finding the Fourth Proportional to 104,789.92, 144,611.60 and 57,044.76

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Solution

The fourth proportional to 104,789.92, 144,611.60 and 57,044.76 is: 78,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,789.92 : 144,611.60 = 57,044.76 : x
  2. Step 2: Convert to fraction form
    104,789.92/144,611.60 = 57,044.76/x
  3. Step 3: Cross multiply
    104,789.92x = 144,611.60 × 57,044.76
  4. Step 4: Simplify right side
    104,789.92x = 8,249,334,015.22
  5. Step 5: Solve for x
    x = 8,249,334,015.22/104,789.92
  6. Step 6: Final answer
    x = 78,722.59

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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.