Home / 44,128.66-66,194.11-12,964.90

Finding the Fourth Proportional to 44,128.66, 66,194.11 and 12,964.90

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Solution

The fourth proportional to 44,128.66, 66,194.11 and 12,964.90 is: 19,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,128.66 : 66,194.11 = 12,964.90 : x
  2. Step 2: Convert to fraction form
    44,128.66/66,194.11 = 12,964.90/x
  3. Step 3: Cross multiply
    44,128.66x = 66,194.11 × 12,964.90
  4. Step 4: Simplify right side
    44,128.66x = 858,200,016.74
  5. Step 5: Solve for x
    x = 858,200,016.74/44,128.66
  6. Step 6: Final answer
    x = 19,447.68

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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.