Home / 88,694.78-122,401.63-50,453.33

Finding the Fourth Proportional to 88,694.78, 122,401.63 and 50,453.33

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Solution

The fourth proportional to 88,694.78, 122,401.63 and 50,453.33 is: 69,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,694.78 : 122,401.63 = 50,453.33 : x
  2. Step 2: Convert to fraction form
    88,694.78/122,401.63 = 50,453.33/x
  3. Step 3: Cross multiply
    88,694.78x = 122,401.63 × 50,453.33
  4. Step 4: Simplify right side
    88,694.78x = 6,175,569,281.99
  5. Step 5: Solve for x
    x = 6,175,569,281.99/88,694.78
  6. Step 6: Final answer
    x = 69,627.21

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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.