Home / 119,820.42-179,735.22-31,071.60

Finding the Fourth Proportional to 119,820.42, 179,735.22 and 31,071.60

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Solution

The fourth proportional to 119,820.42, 179,735.22 and 31,071.60 is: 46,608.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,820.42 : 179,735.22 = 31,071.60 : x
  2. Step 2: Convert to fraction form
    119,820.42/179,735.22 = 31,071.60/x
  3. Step 3: Cross multiply
    119,820.42x = 179,735.22 × 31,071.60
  4. Step 4: Simplify right side
    119,820.42x = 5,584,660,861.75
  5. Step 5: Solve for x
    x = 5,584,660,861.75/119,820.42
  6. Step 6: Final answer
    x = 46,608.59

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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.