Home / 103,413.54-142,711.26-58,093.44

Finding the Fourth Proportional to 103,413.54, 142,711.26 and 58,093.44

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Solution

The fourth proportional to 103,413.54, 142,711.26 and 58,093.44 is: 80,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,413.54 : 142,711.26 = 58,093.44 : x
  2. Step 2: Convert to fraction form
    103,413.54/142,711.26 = 58,093.44/x
  3. Step 3: Cross multiply
    103,413.54x = 142,711.26 × 58,093.44
  4. Step 4: Simplify right side
    103,413.54x = 8,290,588,020.13
  5. Step 5: Solve for x
    x = 8,290,588,020.13/103,413.54
  6. Step 6: Final answer
    x = 80,169.27

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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.