Home / 104,620.10-144,377.17-56,874.48

Finding the Fourth Proportional to 104,620.10, 144,377.17 and 56,874.48

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Solution

The fourth proportional to 104,620.10, 144,377.17 and 56,874.48 is: 78,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,620.10 : 144,377.17 = 56,874.48 : x
  2. Step 2: Convert to fraction form
    104,620.10/144,377.17 = 56,874.48/x
  3. Step 3: Cross multiply
    104,620.10x = 144,377.17 × 56,874.48
  4. Step 4: Simplify right side
    104,620.10x = 8,211,375,461.36
  5. Step 5: Solve for x
    x = 8,211,375,461.36/104,620.10
  6. Step 6: Final answer
    x = 78,487.55

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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.