Home / 79,181.15-109,269-43,369.02

Finding the Fourth Proportional to 79,181.15, 109,269 and 43,369.02

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Solution

The fourth proportional to 79,181.15, 109,269 and 43,369.02 is: 59,848.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,181.15 : 109,269 = 43,369.02 : x
  2. Step 2: Convert to fraction form
    79,181.15/109,269 = 43,369.02/x
  3. Step 3: Cross multiply
    79,181.15x = 109,269 × 43,369.02
  4. Step 4: Simplify right side
    79,181.15x = 4,738,889,446.38
  5. Step 5: Solve for x
    x = 4,738,889,446.38/79,181.15
  6. Step 6: Final answer
    x = 59,848.71

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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.