Home / 69,865.41-96,413.98-39,234.25

Finding the Fourth Proportional to 69,865.41, 96,413.98 and 39,234.25

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Solution

The fourth proportional to 69,865.41, 96,413.98 and 39,234.25 is: 54,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,865.41 : 96,413.98 = 39,234.25 : x
  2. Step 2: Convert to fraction form
    69,865.41/96,413.98 = 39,234.25/x
  3. Step 3: Cross multiply
    69,865.41x = 96,413.98 × 39,234.25
  4. Step 4: Simplify right side
    69,865.41x = 3,782,730,194.82
  5. Step 5: Solve for x
    x = 3,782,730,194.82/69,865.41
  6. Step 6: Final answer
    x = 54,143.10

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1.5x scale

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.