Home / 45,806.26-68,701.17-20,847.11

Finding the Fourth Proportional to 45,806.26, 68,701.17 and 20,847.11

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Solution

The fourth proportional to 45,806.26, 68,701.17 and 20,847.11 is: 31,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,806.26 : 68,701.17 = 20,847.11 : x
  2. Step 2: Convert to fraction form
    45,806.26/68,701.17 = 20,847.11/x
  3. Step 3: Cross multiply
    45,806.26x = 68,701.17 × 20,847.11
  4. Step 4: Simplify right side
    45,806.26x = 1,432,220,848.12
  5. Step 5: Solve for x
    x = 1,432,220,848.12/45,806.26
  6. Step 6: Final answer
    x = 31,266.92

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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.