Home / 81,817.37-122,529.23-46,650.41

Finding the Fourth Proportional to 81,817.37, 122,529.23 and 46,650.41

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Solution

The fourth proportional to 81,817.37, 122,529.23 and 46,650.41 is: 69,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,817.37 : 122,529.23 = 46,650.41 : x
  2. Step 2: Convert to fraction form
    81,817.37/122,529.23 = 46,650.41/x
  3. Step 3: Cross multiply
    81,817.37x = 122,529.23 × 46,650.41
  4. Step 4: Simplify right side
    81,817.37x = 5,716,038,583.23
  5. Step 5: Solve for x
    x = 5,716,038,583.23/81,817.37
  6. Step 6: Final answer
    x = 69,863.39

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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.