Home / 104,651.72-156,976.29-25,766.63

Finding the Fourth Proportional to 104,651.72, 156,976.29 and 25,766.63

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Solution

The fourth proportional to 104,651.72, 156,976.29 and 25,766.63 is: 38,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,651.72 : 156,976.29 = 25,766.63 : x
  2. Step 2: Convert to fraction form
    104,651.72/156,976.29 = 25,766.63/x
  3. Step 3: Cross multiply
    104,651.72x = 156,976.29 × 25,766.63
  4. Step 4: Simplify right side
    104,651.72x = 4,044,749,983.20
  5. Step 5: Solve for x
    x = 4,044,749,983.20/104,651.72
  6. Step 6: Final answer
    x = 38,649.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.