Home / 54,277.20-81,401.40-16,837.20

Finding the Fourth Proportional to 54,277.20, 81,401.40 and 16,837.20

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Solution

The fourth proportional to 54,277.20, 81,401.40 and 16,837.20 is: 25,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,277.20 : 81,401.40 = 16,837.20 : x
  2. Step 2: Convert to fraction form
    54,277.20/81,401.40 = 16,837.20/x
  3. Step 3: Cross multiply
    54,277.20x = 81,401.40 × 16,837.20
  4. Step 4: Simplify right side
    54,277.20x = 1,370,571,652.08
  5. Step 5: Solve for x
    x = 1,370,571,652.08/54,277.20
  6. Step 6: Final answer
    x = 25,251.33

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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.