Home / 121,584.52-167,783.83-67,874.50

Finding the Fourth Proportional to 121,584.52, 167,783.83 and 67,874.50

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Solution

The fourth proportional to 121,584.52, 167,783.83 and 67,874.50 is: 93,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,584.52 : 167,783.83 = 67,874.50 : x
  2. Step 2: Convert to fraction form
    121,584.52/167,783.83 = 67,874.50/x
  3. Step 3: Cross multiply
    121,584.52x = 167,783.83 × 67,874.50
  4. Step 4: Simplify right side
    121,584.52x = 11,388,243,569.34
  5. Step 5: Solve for x
    x = 11,388,243,569.34/121,584.52
  6. Step 6: Final answer
    x = 93,665.24

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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.