Home / 64,136.64-88,451.24-40,265.54

Finding the Fourth Proportional to 64,136.64, 88,451.24 and 40,265.54

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Solution

The fourth proportional to 64,136.64, 88,451.24 and 40,265.54 is: 55,530.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,136.64 : 88,451.24 = 40,265.54 : x
  2. Step 2: Convert to fraction form
    64,136.64/88,451.24 = 40,265.54/x
  3. Step 3: Cross multiply
    64,136.64x = 88,451.24 × 40,265.54
  4. Step 4: Simplify right side
    64,136.64x = 3,561,536,942.27
  5. Step 5: Solve for x
    x = 3,561,536,942.27/64,136.64
  6. Step 6: Final answer
    x = 55,530.46

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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.