Home / 61,962.54-92,942.73-20,409.90

Finding the Fourth Proportional to 61,962.54, 92,942.73 and 20,409.90

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Solution

The fourth proportional to 61,962.54, 92,942.73 and 20,409.90 is: 30,614.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,962.54 : 92,942.73 = 20,409.90 : x
  2. Step 2: Convert to fraction form
    61,962.54/92,942.73 = 20,409.90/x
  3. Step 3: Cross multiply
    61,962.54x = 92,942.73 × 20,409.90
  4. Step 4: Simplify right side
    61,962.54x = 1,896,951,825.03
  5. Step 5: Solve for x
    x = 1,896,951,825.03/61,962.54
  6. Step 6: Final answer
    x = 30,614.49

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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.