Home / 86,629.24-119,512.74-58,344.04

Finding the Fourth Proportional to 86,629.24, 119,512.74 and 58,344.04

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Solution

The fourth proportional to 86,629.24, 119,512.74 and 58,344.04 is: 80,490.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,629.24 : 119,512.74 = 58,344.04 : x
  2. Step 2: Convert to fraction form
    86,629.24/119,512.74 = 58,344.04/x
  3. Step 3: Cross multiply
    86,629.24x = 119,512.74 × 58,344.04
  4. Step 4: Simplify right side
    86,629.24x = 6,972,856,083.07
  5. Step 5: Solve for x
    x = 6,972,856,083.07/86,629.24
  6. Step 6: Final answer
    x = 80,490.79

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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.