Home / 45,579.04-68,373.33-12,299.38

Finding the Fourth Proportional to 45,579.04, 68,373.33 and 12,299.38

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Solution

The fourth proportional to 45,579.04, 68,373.33 and 12,299.38 is: 18,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,579.04 : 68,373.33 = 12,299.38 : x
  2. Step 2: Convert to fraction form
    45,579.04/68,373.33 = 12,299.38/x
  3. Step 3: Cross multiply
    45,579.04x = 68,373.33 × 12,299.38
  4. Step 4: Simplify right side
    45,579.04x = 840,949,567.54
  5. Step 5: Solve for x
    x = 840,949,567.54/45,579.04
  6. Step 6: Final answer
    x = 18,450.36

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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.