Home / 104,691.69-156,906.32-52,116.21

Finding the Fourth Proportional to 104,691.69, 156,906.32 and 52,116.21

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Solution

The fourth proportional to 104,691.69, 156,906.32 and 52,116.21 is: 78,108.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,691.69 : 156,906.32 = 52,116.21 : x
  2. Step 2: Convert to fraction form
    104,691.69/156,906.32 = 52,116.21/x
  3. Step 3: Cross multiply
    104,691.69x = 156,906.32 × 52,116.21
  4. Step 4: Simplify right side
    104,691.69x = 8,177,362,462.87
  5. Step 5: Solve for x
    x = 8,177,362,462.87/104,691.69
  6. Step 6: Final answer
    x = 78,108.99

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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.