Home / 70,234.20-105,351.30-46,614.60

Finding the Fourth Proportional to 70,234.20, 105,351.30 and 46,614.60

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Solution

The fourth proportional to 70,234.20, 105,351.30 and 46,614.60 is: 69,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,234.20 : 105,351.30 = 46,614.60 : x
  2. Step 2: Convert to fraction form
    70,234.20/105,351.30 = 46,614.60/x
  3. Step 3: Cross multiply
    70,234.20x = 105,351.30 × 46,614.60
  4. Step 4: Simplify right side
    70,234.20x = 4,910,908,708.98
  5. Step 5: Solve for x
    x = 4,910,908,708.98/70,234.20
  6. Step 6: Final answer
    x = 69,921.90

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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.