Home / 121,541.36-167,727.20-67,826.36

Finding the Fourth Proportional to 121,541.36, 167,727.20 and 67,826.36

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Solution

The fourth proportional to 121,541.36, 167,727.20 and 67,826.36 is: 93,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,541.36 : 167,727.20 = 67,826.36 : x
  2. Step 2: Convert to fraction form
    121,541.36/167,727.20 = 67,826.36/x
  3. Step 3: Cross multiply
    121,541.36x = 167,727.20 × 67,826.36
  4. Step 4: Simplify right side
    121,541.36x = 11,376,324,271.22
  5. Step 5: Solve for x
    x = 11,376,324,271.22/121,541.36
  6. Step 6: Final answer
    x = 93,600.44

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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.