Home / 70,422.27-105,562.32-44,145.47

Finding the Fourth Proportional to 70,422.27, 105,562.32 and 44,145.47

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Solution

The fourth proportional to 70,422.27, 105,562.32 and 44,145.47 is: 66,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,422.27 : 105,562.32 = 44,145.47 : x
  2. Step 2: Convert to fraction form
    70,422.27/105,562.32 = 44,145.47/x
  3. Step 3: Cross multiply
    70,422.27x = 105,562.32 × 44,145.47
  4. Step 4: Simplify right side
    70,422.27x = 4,660,098,230.69
  5. Step 5: Solve for x
    x = 4,660,098,230.69/70,422.27
  6. Step 6: Final answer
    x = 66,173.64

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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.