Home / 43,579.89-65,287.35-25,757.19

Finding the Fourth Proportional to 43,579.89, 65,287.35 and 25,757.19

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Solution

The fourth proportional to 43,579.89, 65,287.35 and 25,757.19 is: 38,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,579.89 : 65,287.35 = 25,757.19 : x
  2. Step 2: Convert to fraction form
    43,579.89/65,287.35 = 25,757.19/x
  3. Step 3: Cross multiply
    43,579.89x = 65,287.35 × 25,757.19
  4. Step 4: Simplify right side
    43,579.89x = 1,681,618,678.55
  5. Step 5: Solve for x
    x = 1,681,618,678.55/43,579.89
  6. Step 6: Final answer
    x = 38,587.03

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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.