Home / 45,816.23-68,745-29,171.95

Finding the Fourth Proportional to 45,816.23, 68,745 and 29,171.95

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Solution

The fourth proportional to 45,816.23, 68,745 and 29,171.95 is: 43,771.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,816.23 : 68,745 = 29,171.95 : x
  2. Step 2: Convert to fraction form
    45,816.23/68,745 = 29,171.95/x
  3. Step 3: Cross multiply
    45,816.23x = 68,745 × 29,171.95
  4. Step 4: Simplify right side
    45,816.23x = 2,005,425,359.03
  5. Step 5: Solve for x
    x = 2,005,425,359.03/45,816.23
  6. Step 6: Final answer
    x = 43,771.07

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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.