Home / 68,237.78-102,308.20-26,082.34

Finding the Fourth Proportional to 68,237.78, 102,308.20 and 26,082.34

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Solution

The fourth proportional to 68,237.78, 102,308.20 and 26,082.34 is: 39,104.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,237.78 : 102,308.20 = 26,082.34 : x
  2. Step 2: Convert to fraction form
    68,237.78/102,308.20 = 26,082.34/x
  3. Step 3: Cross multiply
    68,237.78x = 102,308.20 × 26,082.34
  4. Step 4: Simplify right side
    68,237.78x = 2,668,436,936.21
  5. Step 5: Solve for x
    x = 2,668,436,936.21/68,237.78
  6. Step 6: Final answer
    x = 39,104.98

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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.