Home / 120,624.52-166,469.38-69,646.58

Finding the Fourth Proportional to 120,624.52, 166,469.38 and 69,646.58

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Solution

The fourth proportional to 120,624.52, 166,469.38 and 69,646.58 is: 96,116.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,624.52 : 166,469.38 = 69,646.58 : x
  2. Step 2: Convert to fraction form
    120,624.52/166,469.38 = 69,646.58/x
  3. Step 3: Cross multiply
    120,624.52x = 166,469.38 × 69,646.58
  4. Step 4: Simplify right side
    120,624.52x = 11,594,022,991.72
  5. Step 5: Solve for x
    x = 11,594,022,991.72/120,624.52
  6. Step 6: Final answer
    x = 96,116.64

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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.