Home / 79,161.41-109,237.74-43,351.85

Finding the Fourth Proportional to 79,161.41, 109,237.74 and 43,351.85

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Solution

The fourth proportional to 79,161.41, 109,237.74 and 43,351.85 is: 59,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,161.41 : 109,237.74 = 43,351.85 : x
  2. Step 2: Convert to fraction form
    79,161.41/109,237.74 = 43,351.85/x
  3. Step 3: Cross multiply
    79,161.41x = 109,237.74 × 43,351.85
  4. Step 4: Simplify right side
    79,161.41x = 4,735,658,118.82
  5. Step 5: Solve for x
    x = 4,735,658,118.82/79,161.41
  6. Step 6: Final answer
    x = 59,822.81

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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.