Home / 64,529.76-96,791.16-20,151.42

Finding the Fourth Proportional to 64,529.76, 96,791.16 and 20,151.42

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Solution

The fourth proportional to 64,529.76, 96,791.16 and 20,151.42 is: 30,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,529.76 : 96,791.16 = 20,151.42 : x
  2. Step 2: Convert to fraction form
    64,529.76/96,791.16 = 20,151.42/x
  3. Step 3: Cross multiply
    64,529.76x = 96,791.16 × 20,151.42
  4. Step 4: Simplify right side
    64,529.76x = 1,950,479,317.45
  5. Step 5: Solve for x
    x = 1,950,479,317.45/64,529.76
  6. Step 6: Final answer
    x = 30,226.04

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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.