Home / 43,921.22-65,947.43-43,265.12

Finding the Fourth Proportional to 43,921.22, 65,947.43 and 43,265.12

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Solution

The fourth proportional to 43,921.22, 65,947.43 and 43,265.12 is: 64,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,921.22 : 65,947.43 = 43,265.12 : x
  2. Step 2: Convert to fraction form
    43,921.22/65,947.43 = 43,265.12/x
  3. Step 3: Cross multiply
    43,921.22x = 65,947.43 × 43,265.12
  4. Step 4: Simplify right side
    43,921.22x = 2,853,223,251.07
  5. Step 5: Solve for x
    x = 2,853,223,251.07/43,921.22
  6. Step 6: Final answer
    x = 64,962.30

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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.