Home / 69,400.85-95,934.57-61,921.31

Finding the Fourth Proportional to 69,400.85, 95,934.57 and 61,921.31

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Solution

The fourth proportional to 69,400.85, 95,934.57 and 61,921.31 is: 85,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,400.85 : 95,934.57 = 61,921.31 : x
  2. Step 2: Convert to fraction form
    69,400.85/95,934.57 = 61,921.31/x
  3. Step 3: Cross multiply
    69,400.85x = 95,934.57 × 61,921.31
  4. Step 4: Simplify right side
    69,400.85x = 5,940,393,769.01
  5. Step 5: Solve for x
    x = 5,940,393,769.01/69,400.85
  6. Step 6: Final answer
    x = 85,595.41

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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.