Home / 74,839.68-112,199.91-43,213.83

Finding the Fourth Proportional to 74,839.68, 112,199.91 and 43,213.83

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Solution

The fourth proportional to 74,839.68, 112,199.91 and 43,213.83 is: 64,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,839.68 : 112,199.91 = 43,213.83 : x
  2. Step 2: Convert to fraction form
    74,839.68/112,199.91 = 43,213.83/x
  3. Step 3: Cross multiply
    74,839.68x = 112,199.91 × 43,213.83
  4. Step 4: Simplify right side
    74,839.68x = 4,848,587,836.76
  5. Step 5: Solve for x
    x = 4,848,587,836.76/74,839.68
  6. Step 6: Final answer
    x = 64,786.33

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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.