Home / 111,628.02-167,450.67-31,664.64

Finding the Fourth Proportional to 111,628.02, 167,450.67 and 31,664.64

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Solution

The fourth proportional to 111,628.02, 167,450.67 and 31,664.64 is: 47,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,628.02 : 167,450.67 = 31,664.64 : x
  2. Step 2: Convert to fraction form
    111,628.02/167,450.67 = 31,664.64/x
  3. Step 3: Cross multiply
    111,628.02x = 167,450.67 × 31,664.64
  4. Step 4: Simplify right side
    111,628.02x = 5,302,265,183.31
  5. Step 5: Solve for x
    x = 5,302,265,183.31/111,628.02
  6. Step 6: Final answer
    x = 47,499.41

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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.