Home / 116,793.12-161,174.48-63,078.14

Finding the Fourth Proportional to 116,793.12, 161,174.48 and 63,078.14

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Solution

The fourth proportional to 116,793.12, 161,174.48 and 63,078.14 is: 87,047.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,793.12 : 161,174.48 = 63,078.14 : x
  2. Step 2: Convert to fraction form
    116,793.12/161,174.48 = 63,078.14/x
  3. Step 3: Cross multiply
    116,793.12x = 161,174.48 × 63,078.14
  4. Step 4: Simplify right side
    116,793.12x = 10,166,586,413.87
  5. Step 5: Solve for x
    x = 10,166,586,413.87/116,793.12
  6. Step 6: Final answer
    x = 87,047.82

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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.