Home / 104,481.74-144,180.84-56,734.04

Finding the Fourth Proportional to 104,481.74, 144,180.84 and 56,734.04

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Solution

The fourth proportional to 104,481.74, 144,180.84 and 56,734.04 is: 78,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,481.74 : 144,180.84 = 56,734.04 : x
  2. Step 2: Convert to fraction form
    104,481.74/144,180.84 = 56,734.04/x
  3. Step 3: Cross multiply
    104,481.74x = 144,180.84 × 56,734.04
  4. Step 4: Simplify right side
    104,481.74x = 8,179,961,543.79
  5. Step 5: Solve for x
    x = 8,179,961,543.79/104,481.74
  6. Step 6: Final answer
    x = 78,290.82

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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.