Home / 45,824.80-68,747.01-14,234.20

Finding the Fourth Proportional to 45,824.80, 68,747.01 and 14,234.20

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Solution

The fourth proportional to 45,824.80, 68,747.01 and 14,234.20 is: 21,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,824.80 : 68,747.01 = 14,234.20 : x
  2. Step 2: Convert to fraction form
    45,824.80/68,747.01 = 14,234.20/x
  3. Step 3: Cross multiply
    45,824.80x = 68,747.01 × 14,234.20
  4. Step 4: Simplify right side
    45,824.80x = 978,558,689.74
  5. Step 5: Solve for x
    x = 978,558,689.74/45,824.80
  6. Step 6: Final answer
    x = 21,354.35

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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.