Home / 53,825.45-80,747.55-18,283.05

Finding the Fourth Proportional to 53,825.45, 80,747.55 and 18,283.05

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Solution

The fourth proportional to 53,825.45, 80,747.55 and 18,283.05 is: 27,427.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,825.45 : 80,747.55 = 18,283.05 : x
  2. Step 2: Convert to fraction form
    53,825.45/80,747.55 = 18,283.05/x
  3. Step 3: Cross multiply
    53,825.45x = 80,747.55 × 18,283.05
  4. Step 4: Simplify right side
    53,825.45x = 1,476,311,494.03
  5. Step 5: Solve for x
    x = 1,476,311,494.03/53,825.45
  6. Step 6: Final answer
    x = 27,427.76

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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.