Home / 43,360.11-65,044.50-11,770.68

Finding the Fourth Proportional to 43,360.11, 65,044.50 and 11,770.68

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Solution

The fourth proportional to 43,360.11, 65,044.50 and 11,770.68 is: 17,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,360.11 : 65,044.50 = 11,770.68 : x
  2. Step 2: Convert to fraction form
    43,360.11/65,044.50 = 11,770.68/x
  3. Step 3: Cross multiply
    43,360.11x = 65,044.50 × 11,770.68
  4. Step 4: Simplify right side
    43,360.11x = 765,617,995.26
  5. Step 5: Solve for x
    x = 765,617,995.26/43,360.11
  6. Step 6: Final answer
    x = 17,657.20

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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.