Home / 87,413.99-131,035.92-55,725.17

Finding the Fourth Proportional to 87,413.99, 131,035.92 and 55,725.17

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Solution

The fourth proportional to 87,413.99, 131,035.92 and 55,725.17 is: 83,533.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,413.99 : 131,035.92 = 55,725.17 : x
  2. Step 2: Convert to fraction form
    87,413.99/131,035.92 = 55,725.17/x
  3. Step 3: Cross multiply
    87,413.99x = 131,035.92 × 55,725.17
  4. Step 4: Simplify right side
    87,413.99x = 7,301,998,918.11
  5. Step 5: Solve for x
    x = 7,301,998,918.11/87,413.99
  6. Step 6: Final answer
    x = 83,533.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.