Home / 79,538.33-109,762.35-43,727.42

Finding the Fourth Proportional to 79,538.33, 109,762.35 and 43,727.42

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Solution

The fourth proportional to 79,538.33, 109,762.35 and 43,727.42 is: 60,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,538.33 : 109,762.35 = 43,727.42 : x
  2. Step 2: Convert to fraction form
    79,538.33/109,762.35 = 43,727.42/x
  3. Step 3: Cross multiply
    79,538.33x = 109,762.35 × 43,727.42
  4. Step 4: Simplify right side
    79,538.33x = 4,799,624,378.64
  5. Step 5: Solve for x
    x = 4,799,624,378.64/79,538.33
  6. Step 6: Final answer
    x = 60,343.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.