Home / 116,883.14-161,287.07-71,573.96

Finding the Fourth Proportional to 116,883.14, 161,287.07 and 71,573.96

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Solution

The fourth proportional to 116,883.14, 161,287.07 and 71,573.96 is: 98,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,883.14 : 161,287.07 = 71,573.96 : x
  2. Step 2: Convert to fraction form
    116,883.14/161,287.07 = 71,573.96/x
  3. Step 3: Cross multiply
    116,883.14x = 161,287.07 × 71,573.96
  4. Step 4: Simplify right side
    116,883.14x = 11,543,954,342.05
  5. Step 5: Solve for x
    x = 11,543,954,342.05/116,883.14
  6. Step 6: Final answer
    x = 98,764.93

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1.5x scale

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.