Home / 104,108.30-143,669.94-56,361.68

Finding the Fourth Proportional to 104,108.30, 143,669.94 and 56,361.68

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Solution

The fourth proportional to 104,108.30, 143,669.94 and 56,361.68 is: 77,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,108.30 : 143,669.94 = 56,361.68 : x
  2. Step 2: Convert to fraction form
    104,108.30/143,669.94 = 56,361.68/x
  3. Step 3: Cross multiply
    104,108.30x = 143,669.94 × 56,361.68
  4. Step 4: Simplify right side
    104,108.30x = 8,097,479,183.90
  5. Step 5: Solve for x
    x = 8,097,479,183.90/104,108.30
  6. Step 6: Final answer
    x = 77,779.38

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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.