Home / 123,942.60-185,783.94-60,675.48

Finding the Fourth Proportional to 123,942.60, 185,783.94 and 60,675.48

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Solution

The fourth proportional to 123,942.60, 185,783.94 and 60,675.48 is: 90,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,942.60 : 185,783.94 = 60,675.48 : x
  2. Step 2: Convert to fraction form
    123,942.60/185,783.94 = 60,675.48/x
  3. Step 3: Cross multiply
    123,942.60x = 185,783.94 × 60,675.48
  4. Step 4: Simplify right side
    123,942.60x = 11,272,529,735.79
  5. Step 5: Solve for x
    x = 11,272,529,735.79/123,942.60
  6. Step 6: Final answer
    x = 90,949.60

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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.