Home / 107,396.47-161,082.24-28,516.87

Finding the Fourth Proportional to 107,396.47, 161,082.24 and 28,516.87

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Solution

The fourth proportional to 107,396.47, 161,082.24 and 28,516.87 is: 42,772.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,396.47 : 161,082.24 = 28,516.87 : x
  2. Step 2: Convert to fraction form
    107,396.47/161,082.24 = 28,516.87/x
  3. Step 3: Cross multiply
    107,396.47x = 161,082.24 × 28,516.87
  4. Step 4: Simplify right side
    107,396.47x = 4,593,561,297.39
  5. Step 5: Solve for x
    x = 4,593,561,297.39/107,396.47
  6. Step 6: Final answer
    x = 42,772.00

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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.