Home / 105,550.40-158,297.92-30,650.44

Finding the Fourth Proportional to 105,550.40, 158,297.92 and 30,650.44

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Solution

The fourth proportional to 105,550.40, 158,297.92 and 30,650.44 is: 45,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,550.40 : 158,297.92 = 30,650.44 : x
  2. Step 2: Convert to fraction form
    105,550.40/158,297.92 = 30,650.44/x
  3. Step 3: Cross multiply
    105,550.40x = 158,297.92 × 30,650.44
  4. Step 4: Simplify right side
    105,550.40x = 4,851,900,899.08
  5. Step 5: Solve for x
    x = 4,851,900,899.08/105,550.40
  6. Step 6: Final answer
    x = 45,967.62

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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.