Home / 79,770.63-110,080.76-43,961.21

Finding the Fourth Proportional to 79,770.63, 110,080.76 and 43,961.21

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Solution

The fourth proportional to 79,770.63, 110,080.76 and 43,961.21 is: 60,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,770.63 : 110,080.76 = 43,961.21 : x
  2. Step 2: Convert to fraction form
    79,770.63/110,080.76 = 43,961.21/x
  3. Step 3: Cross multiply
    79,770.63x = 110,080.76 × 43,961.21
  4. Step 4: Simplify right side
    79,770.63x = 4,839,282,637.11
  5. Step 5: Solve for x
    x = 4,839,282,637.11/79,770.63
  6. Step 6: Final answer
    x = 60,664.97

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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.