Home / 79,183.51-109,273.07-42,884.85

Finding the Fourth Proportional to 79,183.51, 109,273.07 and 42,884.85

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Solution

The fourth proportional to 79,183.51, 109,273.07 and 42,884.85 is: 59,180.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,183.51 : 109,273.07 = 42,884.85 : x
  2. Step 2: Convert to fraction form
    79,183.51/109,273.07 = 42,884.85/x
  3. Step 3: Cross multiply
    79,183.51x = 109,273.07 × 42,884.85
  4. Step 4: Simplify right side
    79,183.51x = 4,686,158,728.38
  5. Step 5: Solve for x
    x = 4,686,158,728.38/79,183.51
  6. Step 6: Final answer
    x = 59,180.99

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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.