Home / 120,096.24-165,743.04-69,792

Finding the Fourth Proportional to 120,096.24, 165,743.04 and 69,792

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Solution

The fourth proportional to 120,096.24, 165,743.04 and 69,792 is: 96,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,096.24 : 165,743.04 = 69,792 : x
  2. Step 2: Convert to fraction form
    120,096.24/165,743.04 = 69,792/x
  3. Step 3: Cross multiply
    120,096.24x = 165,743.04 × 69,792
  4. Step 4: Simplify right side
    120,096.24x = 11,567,538,247.68
  5. Step 5: Solve for x
    x = 11,567,538,247.68/120,096.24
  6. Step 6: Final answer
    x = 96,318.90

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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.