Home / 79,176.66-109,262.97-43,366.38

Finding the Fourth Proportional to 79,176.66, 109,262.97 and 43,366.38

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Solution

The fourth proportional to 79,176.66, 109,262.97 and 43,366.38 is: 59,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,176.66 : 109,262.97 = 43,366.38 : x
  2. Step 2: Convert to fraction form
    79,176.66/109,262.97 = 43,366.38/x
  3. Step 3: Cross multiply
    79,176.66x = 109,262.97 × 43,366.38
  4. Step 4: Simplify right side
    79,176.66x = 4,738,339,476.95
  5. Step 5: Solve for x
    x = 4,738,339,476.95/79,176.66
  6. Step 6: Final answer
    x = 59,845.15

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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.