Home / 104,616.35-156,773.07-72,125.21

Finding the Fourth Proportional to 104,616.35, 156,773.07 and 72,125.21

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Solution

The fourth proportional to 104,616.35, 156,773.07 and 72,125.21 is: 108,083.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,616.35 : 156,773.07 = 72,125.21 : x
  2. Step 2: Convert to fraction form
    104,616.35/156,773.07 = 72,125.21/x
  3. Step 3: Cross multiply
    104,616.35x = 156,773.07 × 72,125.21
  4. Step 4: Simplify right side
    104,616.35x = 11,307,289,812.23
  5. Step 5: Solve for x
    x = 11,307,289,812.23/104,616.35
  6. Step 6: Final answer
    x = 108,083.39

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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.