Home / 122,443.35-168,988.88-68,007.75

Finding the Fourth Proportional to 122,443.35, 168,988.88 and 68,007.75

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Solution

The fourth proportional to 122,443.35, 168,988.88 and 68,007.75 is: 93,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,443.35 : 168,988.88 = 68,007.75 : x
  2. Step 2: Convert to fraction form
    122,443.35/168,988.88 = 68,007.75/x
  3. Step 3: Cross multiply
    122,443.35x = 168,988.88 × 68,007.75
  4. Step 4: Simplify right side
    122,443.35x = 11,492,553,163.78
  5. Step 5: Solve for x
    x = 11,492,553,163.78/122,443.35
  6. Step 6: Final answer
    x = 93,860.17

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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.