Home / 45,977.56-68,971.73-16,399.60

Finding the Fourth Proportional to 45,977.56, 68,971.73 and 16,399.60

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Solution

The fourth proportional to 45,977.56, 68,971.73 and 16,399.60 is: 24,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,977.56 : 68,971.73 = 16,399.60 : x
  2. Step 2: Convert to fraction form
    45,977.56/68,971.73 = 16,399.60/x
  3. Step 3: Cross multiply
    45,977.56x = 68,971.73 × 16,399.60
  4. Step 4: Simplify right side
    45,977.56x = 1,131,108,783.31
  5. Step 5: Solve for x
    x = 1,131,108,783.31/45,977.56
  6. Step 6: Final answer
    x = 24,601.32

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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.