Home / 55,843.11-83,770.20-18,403.56

Finding the Fourth Proportional to 55,843.11, 83,770.20 and 18,403.56

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Solution

The fourth proportional to 55,843.11, 83,770.20 and 18,403.56 is: 27,607.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,843.11 : 83,770.20 = 18,403.56 : x
  2. Step 2: Convert to fraction form
    55,843.11/83,770.20 = 18,403.56/x
  3. Step 3: Cross multiply
    55,843.11x = 83,770.20 × 18,403.56
  4. Step 4: Simplify right side
    55,843.11x = 1,541,669,901.91
  5. Step 5: Solve for x
    x = 1,541,669,901.91/55,843.11
  6. Step 6: Final answer
    x = 27,607.16

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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.