Home / 104,339.48-143,940.66-61,882.52

Finding the Fourth Proportional to 104,339.48, 143,940.66 and 61,882.52

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Solution

The fourth proportional to 104,339.48, 143,940.66 and 61,882.52 is: 85,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,339.48 : 143,940.66 = 61,882.52 : x
  2. Step 2: Convert to fraction form
    104,339.48/143,940.66 = 61,882.52/x
  3. Step 3: Cross multiply
    104,339.48x = 143,940.66 × 61,882.52
  4. Step 4: Simplify right side
    104,339.48x = 8,907,410,771.26
  5. Step 5: Solve for x
    x = 8,907,410,771.26/104,339.48
  6. Step 6: Final answer
    x = 85,369.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.