Home / 45,242.46-67,830.86-30,414.60

Finding the Fourth Proportional to 45,242.46, 67,830.86 and 30,414.60

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Solution

The fourth proportional to 45,242.46, 67,830.86 and 30,414.60 is: 45,599.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,242.46 : 67,830.86 = 30,414.60 : x
  2. Step 2: Convert to fraction form
    45,242.46/67,830.86 = 30,414.60/x
  3. Step 3: Cross multiply
    45,242.46x = 67,830.86 × 30,414.60
  4. Step 4: Simplify right side
    45,242.46x = 2,063,048,474.56
  5. Step 5: Solve for x
    x = 2,063,048,474.56/45,242.46
  6. Step 6: Final answer
    x = 45,599.83

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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.