Home / 43,057.72-64,587.80-11,892.97

Finding the Fourth Proportional to 43,057.72, 64,587.80 and 11,892.97

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Solution

The fourth proportional to 43,057.72, 64,587.80 and 11,892.97 is: 17,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,057.72 : 64,587.80 = 11,892.97 : x
  2. Step 2: Convert to fraction form
    43,057.72/64,587.80 = 11,892.97/x
  3. Step 3: Cross multiply
    43,057.72x = 64,587.80 × 11,892.97
  4. Step 4: Simplify right side
    43,057.72x = 768,140,767.77
  5. Step 5: Solve for x
    x = 768,140,767.77/43,057.72
  6. Step 6: Final answer
    x = 17,839.79

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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.