Home / 54,885.45-82,343.99-26,821.68

Finding the Fourth Proportional to 54,885.45, 82,343.99 and 26,821.68

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Solution

The fourth proportional to 54,885.45, 82,343.99 and 26,821.68 is: 40,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.45 : 82,343.99 = 26,821.68 : x
  2. Step 2: Convert to fraction form
    54,885.45/82,343.99 = 26,821.68/x
  3. Step 3: Cross multiply
    54,885.45x = 82,343.99 × 26,821.68
  4. Step 4: Simplify right side
    54,885.45x = 2,208,604,149.70
  5. Step 5: Solve for x
    x = 2,208,604,149.70/54,885.45
  6. Step 6: Final answer
    x = 40,240.25

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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.