Home / 104,917.08-144,787.20-57,170.36

Finding the Fourth Proportional to 104,917.08, 144,787.20 and 57,170.36

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Solution

The fourth proportional to 104,917.08, 144,787.20 and 57,170.36 is: 78,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,917.08 : 144,787.20 = 57,170.36 : x
  2. Step 2: Convert to fraction form
    104,917.08/144,787.20 = 57,170.36/x
  3. Step 3: Cross multiply
    104,917.08x = 144,787.20 × 57,170.36
  4. Step 4: Simplify right side
    104,917.08x = 8,277,536,347.39
  5. Step 5: Solve for x
    x = 8,277,536,347.39/104,917.08
  6. Step 6: Final answer
    x = 78,895.98

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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.