Home / 69,546.89-95,976.36-42,313.61

Finding the Fourth Proportional to 69,546.89, 95,976.36 and 42,313.61

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Solution

The fourth proportional to 69,546.89, 95,976.36 and 42,313.61 is: 58,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,546.89 : 95,976.36 = 42,313.61 : x
  2. Step 2: Convert to fraction form
    69,546.89/95,976.36 = 42,313.61/x
  3. Step 3: Cross multiply
    69,546.89x = 95,976.36 × 42,313.61
  4. Step 4: Simplify right side
    69,546.89x = 4,061,106,266.26
  5. Step 5: Solve for x
    x = 4,061,106,266.26/69,546.89
  6. Step 6: Final answer
    x = 58,393.79

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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.