Home / 45,725.20-68,544.60-27,019.60

Finding the Fourth Proportional to 45,725.20, 68,544.60 and 27,019.60

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Solution

The fourth proportional to 45,725.20, 68,544.60 and 27,019.60 is: 40,503.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,725.20 : 68,544.60 = 27,019.60 : x
  2. Step 2: Convert to fraction form
    45,725.20/68,544.60 = 27,019.60/x
  3. Step 3: Cross multiply
    45,725.20x = 68,544.60 × 27,019.60
  4. Step 4: Simplify right side
    45,725.20x = 1,852,047,674.16
  5. Step 5: Solve for x
    x = 1,852,047,674.16/45,725.20
  6. Step 6: Final answer
    x = 40,503.87

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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.