Home / 45,542.18-68,317.83-13,951.88

Finding the Fourth Proportional to 45,542.18, 68,317.83 and 13,951.88

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Solution

The fourth proportional to 45,542.18, 68,317.83 and 13,951.88 is: 20,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,542.18 : 68,317.83 = 13,951.88 : x
  2. Step 2: Convert to fraction form
    45,542.18/68,317.83 = 13,951.88/x
  3. Step 3: Cross multiply
    45,542.18x = 68,317.83 × 13,951.88
  4. Step 4: Simplify right side
    45,542.18x = 953,162,166.02
  5. Step 5: Solve for x
    x = 953,162,166.02/45,542.18
  6. Step 6: Final answer
    x = 20,929.22

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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.