Home / 122,410.69-168,928.01-67,963.75

Finding the Fourth Proportional to 122,410.69, 168,928.01 and 67,963.75

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Solution

The fourth proportional to 122,410.69, 168,928.01 and 67,963.75 is: 93,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,410.69 : 168,928.01 = 67,963.75 : x
  2. Step 2: Convert to fraction form
    122,410.69/168,928.01 = 67,963.75/x
  3. Step 3: Cross multiply
    122,410.69x = 168,928.01 × 67,963.75
  4. Step 4: Simplify right side
    122,410.69x = 11,480,981,039.64
  5. Step 5: Solve for x
    x = 11,480,981,039.64/122,410.69
  6. Step 6: Final answer
    x = 93,790.67

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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.