Home / 70,399.12-105,614.44-23,650.72

Finding the Fourth Proportional to 70,399.12, 105,614.44 and 23,650.72

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Solution

The fourth proportional to 70,399.12, 105,614.44 and 23,650.72 is: 35,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,399.12 : 105,614.44 = 23,650.72 : x
  2. Step 2: Convert to fraction form
    70,399.12/105,614.44 = 23,650.72/x
  3. Step 3: Cross multiply
    70,399.12x = 105,614.44 × 23,650.72
  4. Step 4: Simplify right side
    70,399.12x = 2,497,857,548.40
  5. Step 5: Solve for x
    x = 2,497,857,548.40/70,399.12
  6. Step 6: Final answer
    x = 35,481.37

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1.5x scale

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.