Home / 121,576.33-167,777.13-67,865.41

Finding the Fourth Proportional to 121,576.33, 167,777.13 and 67,865.41

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Solution

The fourth proportional to 121,576.33, 167,777.13 and 67,865.41 is: 93,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,576.33 : 167,777.13 = 67,865.41 : x
  2. Step 2: Convert to fraction form
    121,576.33/167,777.13 = 67,865.41/x
  3. Step 3: Cross multiply
    121,576.33x = 167,777.13 × 67,865.41
  4. Step 4: Simplify right side
    121,576.33x = 11,386,263,716.07
  5. Step 5: Solve for x
    x = 11,386,263,716.07/121,576.33
  6. Step 6: Final answer
    x = 93,655.27

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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.