Home / 69,135.21-95,413.77-42,295.59

Finding the Fourth Proportional to 69,135.21, 95,413.77 and 42,295.59

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Solution

The fourth proportional to 69,135.21, 95,413.77 and 42,295.59 is: 58,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,135.21 : 95,413.77 = 42,295.59 : x
  2. Step 2: Convert to fraction form
    69,135.21/95,413.77 = 42,295.59/x
  3. Step 3: Cross multiply
    69,135.21x = 95,413.77 × 42,295.59
  4. Step 4: Simplify right side
    69,135.21x = 4,035,581,696.27
  5. Step 5: Solve for x
    x = 4,035,581,696.27/69,135.21
  6. Step 6: Final answer
    x = 58,372.31

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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.