Home / 104,218.44-143,820.96-56,471.82

Finding the Fourth Proportional to 104,218.44, 143,820.96 and 56,471.82

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Solution

The fourth proportional to 104,218.44, 143,820.96 and 56,471.82 is: 77,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,218.44 : 143,820.96 = 56,471.82 : x
  2. Step 2: Convert to fraction form
    104,218.44/143,820.96 = 56,471.82/x
  3. Step 3: Cross multiply
    104,218.44x = 143,820.96 × 56,471.82
  4. Step 4: Simplify right side
    104,218.44x = 8,121,831,365.35
  5. Step 5: Solve for x
    x = 8,121,831,365.35/104,218.44
  6. Step 6: Final answer
    x = 77,930.85

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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.