Home / 75,997.22-104,821.76-53,341.26

Finding the Fourth Proportional to 75,997.22, 104,821.76 and 53,341.26

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Solution

The fourth proportional to 75,997.22, 104,821.76 and 53,341.26 is: 73,572.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,997.22 : 104,821.76 = 53,341.26 : x
  2. Step 2: Convert to fraction form
    75,997.22/104,821.76 = 53,341.26/x
  3. Step 3: Cross multiply
    75,997.22x = 104,821.76 × 53,341.26
  4. Step 4: Simplify right side
    75,997.22x = 5,591,324,487.11
  5. Step 5: Solve for x
    x = 5,591,324,487.11/75,997.22
  6. Step 6: Final answer
    x = 73,572.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.