Home / 120,523.08-166,322.70-69,546.36

Finding the Fourth Proportional to 120,523.08, 166,322.70 and 69,546.36

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Solution

The fourth proportional to 120,523.08, 166,322.70 and 69,546.36 is: 95,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,523.08 : 166,322.70 = 69,546.36 : x
  2. Step 2: Convert to fraction form
    120,523.08/166,322.70 = 69,546.36/x
  3. Step 3: Cross multiply
    120,523.08x = 166,322.70 × 69,546.36
  4. Step 4: Simplify right side
    120,523.08x = 11,567,138,370.37
  5. Step 5: Solve for x
    x = 11,567,138,370.37/120,523.08
  6. Step 6: Final answer
    x = 95,974.47

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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.