Home / 121,556.82-167,756.84-67,852.34

Finding the Fourth Proportional to 121,556.82, 167,756.84 and 67,852.34

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Solution

The fourth proportional to 121,556.82, 167,756.84 and 67,852.34 is: 93,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,556.82 : 167,756.84 = 67,852.34 : x
  2. Step 2: Convert to fraction form
    121,556.82/167,756.84 = 67,852.34/x
  3. Step 3: Cross multiply
    121,556.82x = 167,756.84 × 67,852.34
  4. Step 4: Simplify right side
    121,556.82x = 11,382,694,145.01
  5. Step 5: Solve for x
    x = 11,382,694,145.01/121,556.82
  6. Step 6: Final answer
    x = 93,640.93

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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.