Home / 43,753.18-65,640.22-14,171.05

Finding the Fourth Proportional to 43,753.18, 65,640.22 and 14,171.05

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Solution

The fourth proportional to 43,753.18, 65,640.22 and 14,171.05 is: 21,259.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,753.18 : 65,640.22 = 14,171.05 : x
  2. Step 2: Convert to fraction form
    43,753.18/65,640.22 = 14,171.05/x
  3. Step 3: Cross multiply
    43,753.18x = 65,640.22 × 14,171.05
  4. Step 4: Simplify right side
    43,753.18x = 930,190,476.00
  5. Step 5: Solve for x
    x = 930,190,476.00/43,753.18
  6. Step 6: Final answer
    x = 21,259.95

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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.