Home / 79,262.28-109,383.20-47,432.52

Finding the Fourth Proportional to 79,262.28, 109,383.20 and 47,432.52

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Solution

The fourth proportional to 79,262.28, 109,383.20 and 47,432.52 is: 65,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,262.28 : 109,383.20 = 47,432.52 : x
  2. Step 2: Convert to fraction form
    79,262.28/109,383.20 = 47,432.52/x
  3. Step 3: Cross multiply
    79,262.28x = 109,383.20 × 47,432.52
  4. Step 4: Simplify right side
    79,262.28x = 5,188,320,821.66
  5. Step 5: Solve for x
    x = 5,188,320,821.66/79,262.28
  6. Step 6: Final answer
    x = 65,457.63

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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.