Home / 54,455.90-81,698.42-49,250.84

Finding the Fourth Proportional to 54,455.90, 81,698.42 and 49,250.84

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Solution

The fourth proportional to 54,455.90, 81,698.42 and 49,250.84 is: 73,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,455.90 : 81,698.42 = 49,250.84 : x
  2. Step 2: Convert to fraction form
    54,455.90/81,698.42 = 49,250.84/x
  3. Step 3: Cross multiply
    54,455.90x = 81,698.42 × 49,250.84
  4. Step 4: Simplify right side
    54,455.90x = 4,023,715,526.31
  5. Step 5: Solve for x
    x = 4,023,715,526.31/54,455.90
  6. Step 6: Final answer
    x = 73,889.44

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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.