Home / 79,441.35-109,630.95-43,632.12

Finding the Fourth Proportional to 79,441.35, 109,630.95 and 43,632.12

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Solution

The fourth proportional to 79,441.35, 109,630.95 and 43,632.12 is: 60,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,441.35 : 109,630.95 = 43,632.12 : x
  2. Step 2: Convert to fraction form
    79,441.35/109,630.95 = 43,632.12/x
  3. Step 3: Cross multiply
    79,441.35x = 109,630.95 × 43,632.12
  4. Step 4: Simplify right side
    79,441.35x = 4,783,430,766.11
  5. Step 5: Solve for x
    x = 4,783,430,766.11/79,441.35
  6. Step 6: Final answer
    x = 60,213.36

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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.