Home / 66,178.44-91,363.95-43,583.09

Finding the Fourth Proportional to 66,178.44, 91,363.95 and 43,583.09

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Solution

The fourth proportional to 66,178.44, 91,363.95 and 43,583.09 is: 60,169.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,178.44 : 91,363.95 = 43,583.09 : x
  2. Step 2: Convert to fraction form
    66,178.44/91,363.95 = 43,583.09/x
  3. Step 3: Cross multiply
    66,178.44x = 91,363.95 × 43,583.09
  4. Step 4: Simplify right side
    66,178.44x = 3,981,922,798.79
  5. Step 5: Solve for x
    x = 3,981,922,798.79/66,178.44
  6. Step 6: Final answer
    x = 60,169.49

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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.