Home / 121,556.68-167,741.16-67,837.48

Finding the Fourth Proportional to 121,556.68, 167,741.16 and 67,837.48

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Solution

The fourth proportional to 121,556.68, 167,741.16 and 67,837.48 is: 93,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,556.68 : 167,741.16 = 67,837.48 : x
  2. Step 2: Convert to fraction form
    121,556.68/167,741.16 = 67,837.48/x
  3. Step 3: Cross multiply
    121,556.68x = 167,741.16 × 67,837.48
  4. Step 4: Simplify right side
    121,556.68x = 11,379,137,586.68
  5. Step 5: Solve for x
    x = 11,379,137,586.68/121,556.68
  6. Step 6: Final answer
    x = 93,611.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.