Home / 70,562.23-105,843.36-31,147.02

Finding the Fourth Proportional to 70,562.23, 105,843.36 and 31,147.02

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Solution

The fourth proportional to 70,562.23, 105,843.36 and 31,147.02 is: 46,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,562.23 : 105,843.36 = 31,147.02 : x
  2. Step 2: Convert to fraction form
    70,562.23/105,843.36 = 31,147.02/x
  3. Step 3: Cross multiply
    70,562.23x = 105,843.36 × 31,147.02
  4. Step 4: Simplify right side
    70,562.23x = 3,296,705,043.54
  5. Step 5: Solve for x
    x = 3,296,705,043.54/70,562.23
  6. Step 6: Final answer
    x = 46,720.54

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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.