Home / 54,885.20-82,343.60-26,821.43

Finding the Fourth Proportional to 54,885.20, 82,343.60 and 26,821.43

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Solution

The fourth proportional to 54,885.20, 82,343.60 and 26,821.43 is: 40,239.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.20 : 82,343.60 = 26,821.43 : x
  2. Step 2: Convert to fraction form
    54,885.20/82,343.60 = 26,821.43/x
  3. Step 3: Cross multiply
    54,885.20x = 82,343.60 × 26,821.43
  4. Step 4: Simplify right side
    54,885.20x = 2,208,572,758.68
  5. Step 5: Solve for x
    x = 2,208,572,758.68/54,885.20
  6. Step 6: Final answer
    x = 40,239.86

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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.