Home / 79,083.66-109,135.44-43,273.67

Finding the Fourth Proportional to 79,083.66, 109,135.44 and 43,273.67

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Solution

The fourth proportional to 79,083.66, 109,135.44 and 43,273.67 is: 59,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,083.66 : 109,135.44 = 43,273.67 : x
  2. Step 2: Convert to fraction form
    79,083.66/109,135.44 = 43,273.67/x
  3. Step 3: Cross multiply
    79,083.66x = 109,135.44 × 43,273.67
  4. Step 4: Simplify right side
    79,083.66x = 4,722,690,743.03
  5. Step 5: Solve for x
    x = 4,722,690,743.03/79,083.66
  6. Step 6: Final answer
    x = 59,717.66

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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.