Home / 104,562.36-156,755.35-45,353.43

Finding the Fourth Proportional to 104,562.36, 156,755.35 and 45,353.43

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Solution

The fourth proportional to 104,562.36, 156,755.35 and 45,353.43 is: 67,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,562.36 : 156,755.35 = 45,353.43 : x
  2. Step 2: Convert to fraction form
    104,562.36/156,755.35 = 45,353.43/x
  3. Step 3: Cross multiply
    104,562.36x = 156,755.35 × 45,353.43
  4. Step 4: Simplify right side
    104,562.36x = 7,109,392,793.35
  5. Step 5: Solve for x
    x = 7,109,392,793.35/104,562.36
  6. Step 6: Final answer
    x = 67,991.89

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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.