Home / 104,260.60-143,879.94-56,514.14

Finding the Fourth Proportional to 104,260.60, 143,879.94 and 56,514.14

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Solution

The fourth proportional to 104,260.60, 143,879.94 and 56,514.14 is: 77,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,260.60 : 143,879.94 = 56,514.14 : x
  2. Step 2: Convert to fraction form
    104,260.60/143,879.94 = 56,514.14/x
  3. Step 3: Cross multiply
    104,260.60x = 143,879.94 × 56,514.14
  4. Step 4: Simplify right side
    104,260.60x = 8,131,251,072.35
  5. Step 5: Solve for x
    x = 8,131,251,072.35/104,260.60
  6. Step 6: Final answer
    x = 77,989.68

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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.