Home / 121,682.65-167,920.26-67,968.46

Finding the Fourth Proportional to 121,682.65, 167,920.26 and 67,968.46

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Solution

The fourth proportional to 121,682.65, 167,920.26 and 67,968.46 is: 93,795.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,682.65 : 167,920.26 = 67,968.46 : x
  2. Step 2: Convert to fraction form
    121,682.65/167,920.26 = 67,968.46/x
  3. Step 3: Cross multiply
    121,682.65x = 167,920.26 × 67,968.46
  4. Step 4: Simplify right side
    121,682.65x = 11,413,281,475.00
  5. Step 5: Solve for x
    x = 11,413,281,475.00/121,682.65
  6. Step 6: Final answer
    x = 93,795.47

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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.