Home / 74,414.90-111,622.66-18,255.38

Finding the Fourth Proportional to 74,414.90, 111,622.66 and 18,255.38

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Solution

The fourth proportional to 74,414.90, 111,622.66 and 18,255.38 is: 27,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,414.90 : 111,622.66 = 18,255.38 : x
  2. Step 2: Convert to fraction form
    74,414.90/111,622.66 = 18,255.38/x
  3. Step 3: Cross multiply
    74,414.90x = 111,622.66 × 18,255.38
  4. Step 4: Simplify right side
    74,414.90x = 2,037,713,748.91
  5. Step 5: Solve for x
    x = 2,037,713,748.91/74,414.90
  6. Step 6: Final answer
    x = 27,383.14

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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.