Home / 104,108.58-143,704.98-63,272.52

Finding the Fourth Proportional to 104,108.58, 143,704.98 and 63,272.52

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Solution

The fourth proportional to 104,108.58, 143,704.98 and 63,272.52 is: 87,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,108.58 : 143,704.98 = 63,272.52 : x
  2. Step 2: Convert to fraction form
    104,108.58/143,704.98 = 63,272.52/x
  3. Step 3: Cross multiply
    104,108.58x = 143,704.98 × 63,272.52
  4. Step 4: Simplify right side
    104,108.58x = 9,092,576,221.15
  5. Step 5: Solve for x
    x = 9,092,576,221.15/104,108.58
  6. Step 6: Final answer
    x = 87,337.43

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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.