Home / 74,850.42-112,356.51-66,583.38

Finding the Fourth Proportional to 74,850.42, 112,356.51 and 66,583.38

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Solution

The fourth proportional to 74,850.42, 112,356.51 and 66,583.38 is: 99,947.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,850.42 : 112,356.51 = 66,583.38 : x
  2. Step 2: Convert to fraction form
    74,850.42/112,356.51 = 66,583.38/x
  3. Step 3: Cross multiply
    74,850.42x = 112,356.51 × 66,583.38
  4. Step 4: Simplify right side
    74,850.42x = 7,481,076,200.80
  5. Step 5: Solve for x
    x = 7,481,076,200.80/74,850.42
  6. Step 6: Final answer
    x = 99,947.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.