Home / 103,845.14-143,310.50-58,525.03

Finding the Fourth Proportional to 103,845.14, 143,310.50 and 58,525.03

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Solution

The fourth proportional to 103,845.14, 143,310.50 and 58,525.03 is: 80,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,845.14 : 143,310.50 = 58,525.03 : x
  2. Step 2: Convert to fraction form
    103,845.14/143,310.50 = 58,525.03/x
  3. Step 3: Cross multiply
    103,845.14x = 143,310.50 × 58,525.03
  4. Step 4: Simplify right side
    103,845.14x = 8,387,251,311.82
  5. Step 5: Solve for x
    x = 8,387,251,311.82/103,845.14
  6. Step 6: Final answer
    x = 80,766.91

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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.