Home / 69,920.10-96,451.83-41,620.32

Finding the Fourth Proportional to 69,920.10, 96,451.83 and 41,620.32

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Solution

The fourth proportional to 69,920.10, 96,451.83 and 41,620.32 is: 57,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,920.10 : 96,451.83 = 41,620.32 : x
  2. Step 2: Convert to fraction form
    69,920.10/96,451.83 = 41,620.32/x
  3. Step 3: Cross multiply
    69,920.10x = 96,451.83 × 41,620.32
  4. Step 4: Simplify right side
    69,920.10x = 4,014,356,029.19
  5. Step 5: Solve for x
    x = 4,014,356,029.19/69,920.10
  6. Step 6: Final answer
    x = 57,413.48

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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.