Home / 75,601.15-104,322.81-43,772.20

Finding the Fourth Proportional to 75,601.15, 104,322.81 and 43,772.20

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Solution

The fourth proportional to 75,601.15, 104,322.81 and 43,772.20 is: 60,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,601.15 : 104,322.81 = 43,772.20 : x
  2. Step 2: Convert to fraction form
    75,601.15/104,322.81 = 43,772.20/x
  3. Step 3: Cross multiply
    75,601.15x = 104,322.81 × 43,772.20
  4. Step 4: Simplify right side
    75,601.15x = 4,566,438,903.88
  5. Step 5: Solve for x
    x = 4,566,438,903.88/75,601.15
  6. Step 6: Final answer
    x = 60,401.71

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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.