Home / 64,529.76-96,832-27,086.56

Finding the Fourth Proportional to 64,529.76, 96,832 and 27,086.56

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Solution

The fourth proportional to 64,529.76, 96,832 and 27,086.56 is: 40,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,529.76 : 96,832 = 27,086.56 : x
  2. Step 2: Convert to fraction form
    64,529.76/96,832 = 27,086.56/x
  3. Step 3: Cross multiply
    64,529.76x = 96,832 × 27,086.56
  4. Step 4: Simplify right side
    64,529.76x = 2,622,845,777.92
  5. Step 5: Solve for x
    x = 2,622,845,777.92/64,529.76
  6. Step 6: Final answer
    x = 40,645.52

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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.