Home / 74,142.30-111,207.90-26,757.39

Finding the Fourth Proportional to 74,142.30, 111,207.90 and 26,757.39

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Solution

The fourth proportional to 74,142.30, 111,207.90 and 26,757.39 is: 40,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,142.30 : 111,207.90 = 26,757.39 : x
  2. Step 2: Convert to fraction form
    74,142.30/111,207.90 = 26,757.39/x
  3. Step 3: Cross multiply
    74,142.30x = 111,207.90 × 26,757.39
  4. Step 4: Simplify right side
    74,142.30x = 2,975,633,151.38
  5. Step 5: Solve for x
    x = 2,975,633,151.38/74,142.30
  6. Step 6: Final answer
    x = 40,134.08

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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.