Home / 45,753.60-68,632.85-14,185.47

Finding the Fourth Proportional to 45,753.60, 68,632.85 and 14,185.47

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Solution

The fourth proportional to 45,753.60, 68,632.85 and 14,185.47 is: 21,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,753.60 : 68,632.85 = 14,185.47 : x
  2. Step 2: Convert to fraction form
    45,753.60/68,632.85 = 14,185.47/x
  3. Step 3: Cross multiply
    45,753.60x = 68,632.85 × 14,185.47
  4. Step 4: Simplify right side
    45,753.60x = 973,589,234.69
  5. Step 5: Solve for x
    x = 973,589,234.69/45,753.60
  6. Step 6: Final answer
    x = 21,278.96

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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.