Home / 116,869.26-161,243.69-71,499.95

Finding the Fourth Proportional to 116,869.26, 161,243.69 and 71,499.95

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Solution

The fourth proportional to 116,869.26, 161,243.69 and 71,499.95 is: 98,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,869.26 : 161,243.69 = 71,499.95 : x
  2. Step 2: Convert to fraction form
    116,869.26/161,243.69 = 71,499.95/x
  3. Step 3: Cross multiply
    116,869.26x = 161,243.69 × 71,499.95
  4. Step 4: Simplify right side
    116,869.26x = 11,528,915,145.35
  5. Step 5: Solve for x
    x = 11,528,915,145.35/116,869.26
  6. Step 6: Final answer
    x = 98,647.97

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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.