Home / 79,039.56-109,076.94-43,228.92

Finding the Fourth Proportional to 79,039.56, 109,076.94 and 43,228.92

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Solution

The fourth proportional to 79,039.56, 109,076.94 and 43,228.92 is: 59,657.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,039.56 : 109,076.94 = 43,228.92 : x
  2. Step 2: Convert to fraction form
    79,039.56/109,076.94 = 43,228.92/x
  3. Step 3: Cross multiply
    79,039.56x = 109,076.94 × 43,228.92
  4. Step 4: Simplify right side
    79,039.56x = 4,715,278,313.10
  5. Step 5: Solve for x
    x = 4,715,278,313.10/79,039.56
  6. Step 6: Final answer
    x = 59,657.19

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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.