Home / 75,382.42-104,020.02-43,561.56

Finding the Fourth Proportional to 75,382.42, 104,020.02 and 43,561.56

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Solution

The fourth proportional to 75,382.42, 104,020.02 and 43,561.56 is: 60,110.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,382.42 : 104,020.02 = 43,561.56 : x
  2. Step 2: Convert to fraction form
    75,382.42/104,020.02 = 43,561.56/x
  3. Step 3: Cross multiply
    75,382.42x = 104,020.02 × 43,561.56
  4. Step 4: Simplify right side
    75,382.42x = 4,531,274,342.43
  5. Step 5: Solve for x
    x = 4,531,274,342.43/75,382.42
  6. Step 6: Final answer
    x = 60,110.49

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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.