Home / 113,143.26-169,650-46,629.30

Finding the Fourth Proportional to 113,143.26, 169,650 and 46,629.30

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Solution

The fourth proportional to 113,143.26, 169,650 and 46,629.30 is: 69,917.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,143.26 : 169,650 = 46,629.30 : x
  2. Step 2: Convert to fraction form
    113,143.26/169,650 = 46,629.30/x
  3. Step 3: Cross multiply
    113,143.26x = 169,650 × 46,629.30
  4. Step 4: Simplify right side
    113,143.26x = 7,910,660,745.00
  5. Step 5: Solve for x
    x = 7,910,660,745.00/113,143.26
  6. Step 6: Final answer
    x = 69,917.21

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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.