Home / 103,840.37-155,772.16-32,773.11

Finding the Fourth Proportional to 103,840.37, 155,772.16 and 32,773.11

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Solution

The fourth proportional to 103,840.37, 155,772.16 and 32,773.11 is: 49,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,840.37 : 155,772.16 = 32,773.11 : x
  2. Step 2: Convert to fraction form
    103,840.37/155,772.16 = 32,773.11/x
  3. Step 3: Cross multiply
    103,840.37x = 155,772.16 × 32,773.11
  4. Step 4: Simplify right side
    103,840.37x = 5,105,137,970.75
  5. Step 5: Solve for x
    x = 5,105,137,970.75/103,840.37
  6. Step 6: Final answer
    x = 49,163.33

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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.