Home / 63,705.89-95,589.99-45,105.46

Finding the Fourth Proportional to 63,705.89, 95,589.99 and 45,105.46

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Solution

The fourth proportional to 63,705.89, 95,589.99 and 45,105.46 is: 67,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,705.89 : 95,589.99 = 45,105.46 : x
  2. Step 2: Convert to fraction form
    63,705.89/95,589.99 = 45,105.46/x
  3. Step 3: Cross multiply
    63,705.89x = 95,589.99 × 45,105.46
  4. Step 4: Simplify right side
    63,705.89x = 4,311,630,231.37
  5. Step 5: Solve for x
    x = 4,311,630,231.37/63,705.89
  6. Step 6: Final answer
    x = 67,680.24

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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.