Home / 69,587.09-104,399.46-49,621.80

Finding the Fourth Proportional to 69,587.09, 104,399.46 and 49,621.80

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Solution

The fourth proportional to 69,587.09, 104,399.46 and 49,621.80 is: 74,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,587.09 : 104,399.46 = 49,621.80 : x
  2. Step 2: Convert to fraction form
    69,587.09/104,399.46 = 49,621.80/x
  3. Step 3: Cross multiply
    69,587.09x = 104,399.46 × 49,621.80
  4. Step 4: Simplify right side
    69,587.09x = 5,180,489,124.23
  5. Step 5: Solve for x
    x = 5,180,489,124.23/69,587.09
  6. Step 6: Final answer
    x = 74,446.12

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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.