Home / 79,443.05-109,631.07-43,632.95

Finding the Fourth Proportional to 79,443.05, 109,631.07 and 43,632.95

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Solution

The fourth proportional to 79,443.05, 109,631.07 and 43,632.95 is: 60,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,443.05 : 109,631.07 = 43,632.95 : x
  2. Step 2: Convert to fraction form
    79,443.05/109,631.07 = 43,632.95/x
  3. Step 3: Cross multiply
    79,443.05x = 109,631.07 × 43,632.95
  4. Step 4: Simplify right side
    79,443.05x = 4,783,526,447.60
  5. Step 5: Solve for x
    x = 4,783,526,447.60/79,443.05
  6. Step 6: Final answer
    x = 60,213.28

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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.