Home / 54,237.49-81,413.75-48,037.75

Finding the Fourth Proportional to 54,237.49, 81,413.75 and 48,037.75

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Solution

The fourth proportional to 54,237.49, 81,413.75 and 48,037.75 is: 72,107.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,237.49 : 81,413.75 = 48,037.75 : x
  2. Step 2: Convert to fraction form
    54,237.49/81,413.75 = 48,037.75/x
  3. Step 3: Cross multiply
    54,237.49x = 81,413.75 × 48,037.75
  4. Step 4: Simplify right side
    54,237.49x = 3,910,933,128.87
  5. Step 5: Solve for x
    x = 3,910,933,128.87/54,237.49
  6. Step 6: Final answer
    x = 72,107.56

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1.5x scale

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.