Home / 104,787.68-144,610.26-57,044.22

Finding the Fourth Proportional to 104,787.68, 144,610.26 and 57,044.22

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Solution

The fourth proportional to 104,787.68, 144,610.26 and 57,044.22 is: 78,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,787.68 : 144,610.26 = 57,044.22 : x
  2. Step 2: Convert to fraction form
    104,787.68/144,610.26 = 57,044.22/x
  3. Step 3: Cross multiply
    104,787.68x = 144,610.26 × 57,044.22
  4. Step 4: Simplify right side
    104,787.68x = 8,249,179,485.70
  5. Step 5: Solve for x
    x = 8,249,179,485.70/104,787.68
  6. Step 6: Final answer
    x = 78,722.80

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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.