Home / 120,551.09-166,359.83-66,844.04

Finding the Fourth Proportional to 120,551.09, 166,359.83 and 66,844.04

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Solution

The fourth proportional to 120,551.09, 166,359.83 and 66,844.04 is: 92,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,551.09 : 166,359.83 = 66,844.04 : x
  2. Step 2: Convert to fraction form
    120,551.09/166,359.83 = 66,844.04/x
  3. Step 3: Cross multiply
    120,551.09x = 166,359.83 × 66,844.04
  4. Step 4: Simplify right side
    120,551.09x = 11,120,161,964.89
  5. Step 5: Solve for x
    x = 11,120,161,964.89/120,551.09
  6. Step 6: Final answer
    x = 92,244.40

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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.