Home / 79,361.37-109,520.03-43,554.71

Finding the Fourth Proportional to 79,361.37, 109,520.03 and 43,554.71

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Solution

The fourth proportional to 79,361.37, 109,520.03 and 43,554.71 is: 60,106.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,361.37 : 109,520.03 = 43,554.71 : x
  2. Step 2: Convert to fraction form
    79,361.37/109,520.03 = 43,554.71/x
  3. Step 3: Cross multiply
    79,361.37x = 109,520.03 × 43,554.71
  4. Step 4: Simplify right side
    79,361.37x = 4,770,113,145.84
  5. Step 5: Solve for x
    x = 4,770,113,145.84/79,361.37
  6. Step 6: Final answer
    x = 60,106.24

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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.