Home / 116,764.80-161,139.44-69,059.04

Finding the Fourth Proportional to 116,764.80, 161,139.44 and 69,059.04

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Solution

The fourth proportional to 116,764.80, 161,139.44 and 69,059.04 is: 95,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,764.80 : 161,139.44 = 69,059.04 : x
  2. Step 2: Convert to fraction form
    116,764.80/161,139.44 = 69,059.04/x
  3. Step 3: Cross multiply
    116,764.80x = 161,139.44 × 69,059.04
  4. Step 4: Simplify right side
    116,764.80x = 11,128,135,032.54
  5. Step 5: Solve for x
    x = 11,128,135,032.54/116,764.80
  6. Step 6: Final answer
    x = 95,303.85

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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.