Home / 104,747.26-157,121.21-25,861.50

Finding the Fourth Proportional to 104,747.26, 157,121.21 and 25,861.50

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Solution

The fourth proportional to 104,747.26, 157,121.21 and 25,861.50 is: 38,792.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,747.26 : 157,121.21 = 25,861.50 : x
  2. Step 2: Convert to fraction form
    104,747.26/157,121.21 = 25,861.50/x
  3. Step 3: Cross multiply
    104,747.26x = 157,121.21 × 25,861.50
  4. Step 4: Simplify right side
    104,747.26x = 4,063,390,172.42
  5. Step 5: Solve for x
    x = 4,063,390,172.42/104,747.26
  6. Step 6: Final answer
    x = 38,792.33

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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.