Home / 104,026.44-143,556-56,279.88

Finding the Fourth Proportional to 104,026.44, 143,556 and 56,279.88

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Solution

The fourth proportional to 104,026.44, 143,556 and 56,279.88 is: 77,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,026.44 : 143,556 = 56,279.88 : x
  2. Step 2: Convert to fraction form
    104,026.44/143,556 = 56,279.88/x
  3. Step 3: Cross multiply
    104,026.44x = 143,556 × 56,279.88
  4. Step 4: Simplify right side
    104,026.44x = 8,079,314,453.28
  5. Step 5: Solve for x
    x = 8,079,314,453.28/104,026.44
  6. Step 6: Final answer
    x = 77,665.97

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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.