Home / 121,556.96-167,757.02-67,852.43

Finding the Fourth Proportional to 121,556.96, 167,757.02 and 67,852.43

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Solution

The fourth proportional to 121,556.96, 167,757.02 and 67,852.43 is: 93,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,556.96 : 167,757.02 = 67,852.43 : x
  2. Step 2: Convert to fraction form
    121,556.96/167,757.02 = 67,852.43/x
  3. Step 3: Cross multiply
    121,556.96x = 167,757.02 × 67,852.43
  4. Step 4: Simplify right side
    121,556.96x = 11,382,721,456.56
  5. Step 5: Solve for x
    x = 11,382,721,456.56/121,556.96
  6. Step 6: Final answer
    x = 93,641.05

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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.