Home / 55,375.50-76,419.84-30,226.62

Finding the Fourth Proportional to 55,375.50, 76,419.84 and 30,226.62

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Solution

The fourth proportional to 55,375.50, 76,419.84 and 30,226.62 is: 41,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,375.50 : 76,419.84 = 30,226.62 : x
  2. Step 2: Convert to fraction form
    55,375.50/76,419.84 = 30,226.62/x
  3. Step 3: Cross multiply
    55,375.50x = 76,419.84 × 30,226.62
  4. Step 4: Simplify right side
    55,375.50x = 2,309,913,464.14
  5. Step 5: Solve for x
    x = 2,309,913,464.14/55,375.50
  6. Step 6: Final answer
    x = 41,713.64

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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.