Home / 54,758.03-82,137.05-19,247.22

Finding the Fourth Proportional to 54,758.03, 82,137.05 and 19,247.22

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Solution

The fourth proportional to 54,758.03, 82,137.05 and 19,247.22 is: 28,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,758.03 : 82,137.05 = 19,247.22 : x
  2. Step 2: Convert to fraction form
    54,758.03/82,137.05 = 19,247.22/x
  3. Step 3: Cross multiply
    54,758.03x = 82,137.05 × 19,247.22
  4. Step 4: Simplify right side
    54,758.03x = 1,580,909,775.26
  5. Step 5: Solve for x
    x = 1,580,909,775.26/54,758.03
  6. Step 6: Final answer
    x = 28,870.83

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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.