Home / 79,776.85-110,087.09-43,964.86

Finding the Fourth Proportional to 79,776.85, 110,087.09 and 43,964.86

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Solution

The fourth proportional to 79,776.85, 110,087.09 and 43,964.86 is: 60,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,776.85 : 110,087.09 = 43,964.86 : x
  2. Step 2: Convert to fraction form
    79,776.85/110,087.09 = 43,964.86/x
  3. Step 3: Cross multiply
    79,776.85x = 110,087.09 × 43,964.86
  4. Step 4: Simplify right side
    79,776.85x = 4,839,963,499.66
  5. Step 5: Solve for x
    x = 4,839,963,499.66/79,776.85
  6. Step 6: Final answer
    x = 60,668.77

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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.