Home / 116,471.39-160,721.55-71,171.33

Finding the Fourth Proportional to 116,471.39, 160,721.55 and 71,171.33

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Solution

The fourth proportional to 116,471.39, 160,721.55 and 71,171.33 is: 98,210.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,471.39 : 160,721.55 = 71,171.33 : x
  2. Step 2: Convert to fraction form
    116,471.39/160,721.55 = 71,171.33/x
  3. Step 3: Cross multiply
    116,471.39x = 160,721.55 × 71,171.33
  4. Step 4: Simplify right side
    116,471.39x = 11,438,765,669.55
  5. Step 5: Solve for x
    x = 11,438,765,669.55/116,471.39
  6. Step 6: Final answer
    x = 98,210.95

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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.