Home / 45,805.26-68,699.67-20,846.11

Finding the Fourth Proportional to 45,805.26, 68,699.67 and 20,846.11

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Solution

The fourth proportional to 45,805.26, 68,699.67 and 20,846.11 is: 31,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,805.26 : 68,699.67 = 20,846.11 : x
  2. Step 2: Convert to fraction form
    45,805.26/68,699.67 = 20,846.11/x
  3. Step 3: Cross multiply
    45,805.26x = 68,699.67 × 20,846.11
  4. Step 4: Simplify right side
    45,805.26x = 1,432,120,877.78
  5. Step 5: Solve for x
    x = 1,432,120,877.78/45,805.26
  6. Step 6: Final answer
    x = 31,265.42

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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.