Home / 53,698.80-80,517.32-22,130.65

Finding the Fourth Proportional to 53,698.80, 80,517.32 and 22,130.65

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Solution

The fourth proportional to 53,698.80, 80,517.32 and 22,130.65 is: 33,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,698.80 : 80,517.32 = 22,130.65 : x
  2. Step 2: Convert to fraction form
    53,698.80/80,517.32 = 22,130.65/x
  3. Step 3: Cross multiply
    53,698.80x = 80,517.32 × 22,130.65
  4. Step 4: Simplify right side
    53,698.80x = 1,781,900,627.86
  5. Step 5: Solve for x
    x = 1,781,900,627.86/53,698.80
  6. Step 6: Final answer
    x = 33,183.25

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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.