Home / 79,156.88-109,237.68-43,350.21

Finding the Fourth Proportional to 79,156.88, 109,237.68 and 43,350.21

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Solution

The fourth proportional to 79,156.88, 109,237.68 and 43,350.21 is: 59,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,156.88 : 109,237.68 = 43,350.21 : x
  2. Step 2: Convert to fraction form
    79,156.88/109,237.68 = 43,350.21/x
  3. Step 3: Cross multiply
    79,156.88x = 109,237.68 × 43,350.21
  4. Step 4: Simplify right side
    79,156.88x = 4,735,476,367.91
  5. Step 5: Solve for x
    x = 4,735,476,367.91/79,156.88
  6. Step 6: Final answer
    x = 59,823.94

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1.5x scale

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.