Home / 53,403.20-80,104.19-15,963.58

Finding the Fourth Proportional to 53,403.20, 80,104.19 and 15,963.58

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Solution

The fourth proportional to 53,403.20, 80,104.19 and 15,963.58 is: 23,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403.20 : 80,104.19 = 15,963.58 : x
  2. Step 2: Convert to fraction form
    53,403.20/80,104.19 = 15,963.58/x
  3. Step 3: Cross multiply
    53,403.20x = 80,104.19 × 15,963.58
  4. Step 4: Simplify right side
    53,403.20x = 1,278,749,755.51
  5. Step 5: Solve for x
    x = 1,278,749,755.51/53,403.20
  6. Step 6: Final answer
    x = 23,945.19

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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.