Home / 79,532.42-109,756.85-43,236.32

Finding the Fourth Proportional to 79,532.42, 109,756.85 and 43,236.32

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Solution

The fourth proportional to 79,532.42, 109,756.85 and 43,236.32 is: 59,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,532.42 : 109,756.85 = 43,236.32 : x
  2. Step 2: Convert to fraction form
    79,532.42/109,756.85 = 43,236.32/x
  3. Step 3: Cross multiply
    79,532.42x = 109,756.85 × 43,236.32
  4. Step 4: Simplify right side
    79,532.42x = 4,745,481,523.83
  5. Step 5: Solve for x
    x = 4,745,481,523.83/79,532.42
  6. Step 6: Final answer
    x = 59,667.26

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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.