Home / 116,890.98-161,265.24-71,532.60

Finding the Fourth Proportional to 116,890.98, 161,265.24 and 71,532.60

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Solution

The fourth proportional to 116,890.98, 161,265.24 and 71,532.60 is: 98,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,890.98 : 161,265.24 = 71,532.60 : x
  2. Step 2: Convert to fraction form
    116,890.98/161,265.24 = 71,532.60/x
  3. Step 3: Cross multiply
    116,890.98x = 161,265.24 × 71,532.60
  4. Step 4: Simplify right side
    116,890.98x = 11,535,721,906.82
  5. Step 5: Solve for x
    x = 11,535,721,906.82/116,890.98
  6. Step 6: Final answer
    x = 98,687.87

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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.