Home / 104,661.05-156,990.22-25,775.96

Finding the Fourth Proportional to 104,661.05, 156,990.22 and 25,775.96

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Solution

The fourth proportional to 104,661.05, 156,990.22 and 25,775.96 is: 38,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,661.05 : 156,990.22 = 25,775.96 : x
  2. Step 2: Convert to fraction form
    104,661.05/156,990.22 = 25,775.96/x
  3. Step 3: Cross multiply
    104,661.05x = 156,990.22 × 25,775.96
  4. Step 4: Simplify right side
    104,661.05x = 4,046,572,781.72
  5. Step 5: Solve for x
    x = 4,046,572,781.72/104,661.05
  6. Step 6: Final answer
    x = 38,663.60

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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.