Home / 69,413.76-95,787.12-39,205.26

Finding the Fourth Proportional to 69,413.76, 95,787.12 and 39,205.26

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Solution

The fourth proportional to 69,413.76, 95,787.12 and 39,205.26 is: 54,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,413.76 : 95,787.12 = 39,205.26 : x
  2. Step 2: Convert to fraction form
    69,413.76/95,787.12 = 39,205.26/x
  3. Step 3: Cross multiply
    69,413.76x = 95,787.12 × 39,205.26
  4. Step 4: Simplify right side
    69,413.76x = 3,755,358,944.25
  5. Step 5: Solve for x
    x = 3,755,358,944.25/69,413.76
  6. Step 6: Final answer
    x = 54,101.07

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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.