Home / 79,768.32-110,081.02-43,959.60

Finding the Fourth Proportional to 79,768.32, 110,081.02 and 43,959.60

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Solution

The fourth proportional to 79,768.32, 110,081.02 and 43,959.60 is: 60,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,768.32 : 110,081.02 = 43,959.60 : x
  2. Step 2: Convert to fraction form
    79,768.32/110,081.02 = 43,959.60/x
  3. Step 3: Cross multiply
    79,768.32x = 110,081.02 × 43,959.60
  4. Step 4: Simplify right side
    79,768.32x = 4,839,117,606.79
  5. Step 5: Solve for x
    x = 4,839,117,606.79/79,768.32
  6. Step 6: Final answer
    x = 60,664.65

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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.