Home / 122,411.69-168,929.39-67,964.75

Finding the Fourth Proportional to 122,411.69, 168,929.39 and 67,964.75

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Solution

The fourth proportional to 122,411.69, 168,929.39 and 67,964.75 is: 93,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,411.69 : 168,929.39 = 67,964.75 : x
  2. Step 2: Convert to fraction form
    122,411.69/168,929.39 = 67,964.75/x
  3. Step 3: Cross multiply
    122,411.69x = 168,929.39 × 67,964.75
  4. Step 4: Simplify right side
    122,411.69x = 11,481,243,759.00
  5. Step 5: Solve for x
    x = 11,481,243,759.00/122,411.69
  6. Step 6: Final answer
    x = 93,792.05

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1.5x scale

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.