Home / 111,278.49-166,928.01-36,399.06

Finding the Fourth Proportional to 111,278.49, 166,928.01 and 36,399.06

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Solution

The fourth proportional to 111,278.49, 166,928.01 and 36,399.06 is: 54,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,278.49 : 166,928.01 = 36,399.06 : x
  2. Step 2: Convert to fraction form
    111,278.49/166,928.01 = 36,399.06/x
  3. Step 3: Cross multiply
    111,278.49x = 166,928.01 × 36,399.06
  4. Step 4: Simplify right side
    111,278.49x = 6,076,022,651.67
  5. Step 5: Solve for x
    x = 6,076,022,651.67/111,278.49
  6. Step 6: Final answer
    x = 54,601.95

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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.