Home / 79,142.44-109,216.58-43,334.67

Finding the Fourth Proportional to 79,142.44, 109,216.58 and 43,334.67

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Solution

The fourth proportional to 79,142.44, 109,216.58 and 43,334.67 is: 59,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,142.44 : 109,216.58 = 43,334.67 : x
  2. Step 2: Convert to fraction form
    79,142.44/109,216.58 = 43,334.67/x
  3. Step 3: Cross multiply
    79,142.44x = 109,216.58 × 43,334.67
  4. Step 4: Simplify right side
    79,142.44x = 4,732,864,452.83
  5. Step 5: Solve for x
    x = 4,732,864,452.83/79,142.44
  6. Step 6: Final answer
    x = 59,801.85

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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.