Home / 116,945.90-161,385.32-63,230.92

Finding the Fourth Proportional to 116,945.90, 161,385.32 and 63,230.92

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Solution

The fourth proportional to 116,945.90, 161,385.32 and 63,230.92 is: 87,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,945.90 : 161,385.32 = 63,230.92 : x
  2. Step 2: Convert to fraction form
    116,945.90/161,385.32 = 63,230.92/x
  3. Step 3: Cross multiply
    116,945.90x = 161,385.32 × 63,230.92
  4. Step 4: Simplify right side
    116,945.90x = 10,204,542,258.09
  5. Step 5: Solve for x
    x = 10,204,542,258.09/116,945.90
  6. Step 6: Final answer
    x = 87,258.66

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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.