Home / 43,770.17-65,649.76-12,182.60

Finding the Fourth Proportional to 43,770.17, 65,649.76 and 12,182.60

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Solution

The fourth proportional to 43,770.17, 65,649.76 and 12,182.60 is: 18,272.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,770.17 : 65,649.76 = 12,182.60 : x
  2. Step 2: Convert to fraction form
    43,770.17/65,649.76 = 12,182.60/x
  3. Step 3: Cross multiply
    43,770.17x = 65,649.76 × 12,182.60
  4. Step 4: Simplify right side
    43,770.17x = 799,784,899.84
  5. Step 5: Solve for x
    x = 799,784,899.84/43,770.17
  6. Step 6: Final answer
    x = 18,272.37

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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.