Home / 73,222.37-109,811.38-31,102.06

Finding the Fourth Proportional to 73,222.37, 109,811.38 and 31,102.06

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Solution

The fourth proportional to 73,222.37, 109,811.38 and 31,102.06 is: 46,643.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,222.37 : 109,811.38 = 31,102.06 : x
  2. Step 2: Convert to fraction form
    73,222.37/109,811.38 = 31,102.06/x
  3. Step 3: Cross multiply
    73,222.37x = 109,811.38 × 31,102.06
  4. Step 4: Simplify right side
    73,222.37x = 3,415,360,129.44
  5. Step 5: Solve for x
    x = 3,415,360,129.44/73,222.37
  6. Step 6: Final answer
    x = 46,643.67

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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.