Home / 104,284.72-143,912.46-56,537.92

Finding the Fourth Proportional to 104,284.72, 143,912.46 and 56,537.92

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Solution

The fourth proportional to 104,284.72, 143,912.46 and 56,537.92 is: 78,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,284.72 : 143,912.46 = 56,537.92 : x
  2. Step 2: Convert to fraction form
    104,284.72/143,912.46 = 56,537.92/x
  3. Step 3: Cross multiply
    104,284.72x = 143,912.46 × 56,537.92
  4. Step 4: Simplify right side
    104,284.72x = 8,136,511,150.48
  5. Step 5: Solve for x
    x = 8,136,511,150.48/104,284.72
  6. Step 6: Final answer
    x = 78,022.08

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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.