Home / 52,301.28-72,174-29,940.96

Finding the Fourth Proportional to 52,301.28, 72,174 and 29,940.96

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Solution

The fourth proportional to 52,301.28, 72,174 and 29,940.96 is: 41,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,301.28 : 72,174 = 29,940.96 : x
  2. Step 2: Convert to fraction form
    52,301.28/72,174 = 29,940.96/x
  3. Step 3: Cross multiply
    52,301.28x = 72,174 × 29,940.96
  4. Step 4: Simplify right side
    52,301.28x = 2,160,958,847.04
  5. Step 5: Solve for x
    x = 2,160,958,847.04/52,301.28
  6. Step 6: Final answer
    x = 41,317.51

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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.