Home / 79,178.73-109,266.66-43,370.02

Finding the Fourth Proportional to 79,178.73, 109,266.66 and 43,370.02

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Solution

The fourth proportional to 79,178.73, 109,266.66 and 43,370.02 is: 59,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,178.73 : 109,266.66 = 43,370.02 : x
  2. Step 2: Convert to fraction form
    79,178.73/109,266.66 = 43,370.02/x
  3. Step 3: Cross multiply
    79,178.73x = 109,266.66 × 43,370.02
  4. Step 4: Simplify right side
    79,178.73x = 4,738,897,366.12
  5. Step 5: Solve for x
    x = 4,738,897,366.12/79,178.73
  6. Step 6: Final answer
    x = 59,850.64

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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.