Home / 104,911.15-157,413.24-54,979.37

Finding the Fourth Proportional to 104,911.15, 157,413.24 and 54,979.37

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Solution

The fourth proportional to 104,911.15, 157,413.24 and 54,979.37 is: 82,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,911.15 : 157,413.24 = 54,979.37 : x
  2. Step 2: Convert to fraction form
    104,911.15/157,413.24 = 54,979.37/x
  3. Step 3: Cross multiply
    104,911.15x = 157,413.24 × 54,979.37
  4. Step 4: Simplify right side
    104,911.15x = 8,654,480,883.50
  5. Step 5: Solve for x
    x = 8,654,480,883.50/104,911.15
  6. Step 6: Final answer
    x = 82,493.43

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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.