Home / 45,912.02-68,858.96-12,623.49

Finding the Fourth Proportional to 45,912.02, 68,858.96 and 12,623.49

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Solution

The fourth proportional to 45,912.02, 68,858.96 and 12,623.49 is: 18,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,912.02 : 68,858.96 = 12,623.49 : x
  2. Step 2: Convert to fraction form
    45,912.02/68,858.96 = 12,623.49/x
  3. Step 3: Cross multiply
    45,912.02x = 68,858.96 × 12,623.49
  4. Step 4: Simplify right side
    45,912.02x = 869,240,329.85
  5. Step 5: Solve for x
    x = 869,240,329.85/45,912.02
  6. Step 6: Final answer
    x = 18,932.74

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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.