Home / 79,029.15-109,183.02-66,262.53

Finding the Fourth Proportional to 79,029.15, 109,183.02 and 66,262.53

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Solution

The fourth proportional to 79,029.15, 109,183.02 and 66,262.53 is: 91,545.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,029.15 : 109,183.02 = 66,262.53 : x
  2. Step 2: Convert to fraction form
    79,029.15/109,183.02 = 66,262.53/x
  3. Step 3: Cross multiply
    79,029.15x = 109,183.02 × 66,262.53
  4. Step 4: Simplify right side
    79,029.15x = 7,234,743,713.33
  5. Step 5: Solve for x
    x = 7,234,743,713.33/79,029.15
  6. Step 6: Final answer
    x = 91,545.26

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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.