Home / 80,975.90-121,464.06-41,511.49

Finding the Fourth Proportional to 80,975.90, 121,464.06 and 41,511.49

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Solution

The fourth proportional to 80,975.90, 121,464.06 and 41,511.49 is: 62,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,975.90 : 121,464.06 = 41,511.49 : x
  2. Step 2: Convert to fraction form
    80,975.90/121,464.06 = 41,511.49/x
  3. Step 3: Cross multiply
    80,975.90x = 121,464.06 × 41,511.49
  4. Step 4: Simplify right side
    80,975.90x = 5,042,153,652.72
  5. Step 5: Solve for x
    x = 5,042,153,652.72/80,975.90
  6. Step 6: Final answer
    x = 62,267.34

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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.