Home / 133,062.12-199,559.10-39,546

Finding the Fourth Proportional to 133,062.12, 199,559.10 and 39,546

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Solution

The fourth proportional to 133,062.12, 199,559.10 and 39,546 is: 59,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,062.12 : 199,559.10 = 39,546 : x
  2. Step 2: Convert to fraction form
    133,062.12/199,559.10 = 39,546/x
  3. Step 3: Cross multiply
    133,062.12x = 199,559.10 × 39,546
  4. Step 4: Simplify right side
    133,062.12x = 7,891,764,168.60
  5. Step 5: Solve for x
    x = 7,891,764,168.60/133,062.12
  6. Step 6: Final answer
    x = 59,308.87

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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.