Home / 79,771.23-110,079.81-43,961.13

Finding the Fourth Proportional to 79,771.23, 110,079.81 and 43,961.13

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Solution

The fourth proportional to 79,771.23, 110,079.81 and 43,961.13 is: 60,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,771.23 : 110,079.81 = 43,961.13 : x
  2. Step 2: Convert to fraction form
    79,771.23/110,079.81 = 43,961.13/x
  3. Step 3: Cross multiply
    79,771.23x = 110,079.81 × 43,961.13
  4. Step 4: Simplify right side
    79,771.23x = 4,839,232,837.79
  5. Step 5: Solve for x
    x = 4,839,232,837.79/79,771.23
  6. Step 6: Final answer
    x = 60,663.89

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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.