Home / 119,584.89-165,032.78-67,905.72

Finding the Fourth Proportional to 119,584.89, 165,032.78 and 67,905.72

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Solution

The fourth proportional to 119,584.89, 165,032.78 and 67,905.72 is: 93,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,584.89 : 165,032.78 = 67,905.72 : x
  2. Step 2: Convert to fraction form
    119,584.89/165,032.78 = 67,905.72/x
  3. Step 3: Cross multiply
    119,584.89x = 165,032.78 × 67,905.72
  4. Step 4: Simplify right side
    119,584.89x = 11,206,669,409.97
  5. Step 5: Solve for x
    x = 11,206,669,409.97/119,584.89
  6. Step 6: Final answer
    x = 93,713.09

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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.