Home / 81,600.26-112,616.43-54,798.56

Finding the Fourth Proportional to 81,600.26, 112,616.43 and 54,798.56

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Solution

The fourth proportional to 81,600.26, 112,616.43 and 54,798.56 is: 75,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,600.26 : 112,616.43 = 54,798.56 : x
  2. Step 2: Convert to fraction form
    81,600.26/112,616.43 = 54,798.56/x
  3. Step 3: Cross multiply
    81,600.26x = 112,616.43 × 54,798.56
  4. Step 4: Simplify right side
    81,600.26x = 6,171,218,196.34
  5. Step 5: Solve for x
    x = 6,171,218,196.34/81,600.26
  6. Step 6: Final answer
    x = 75,627.43

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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.