Home / 89,089.97-122,940.95-50,851.49

Finding the Fourth Proportional to 89,089.97, 122,940.95 and 50,851.49

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Solution

The fourth proportional to 89,089.97, 122,940.95 and 50,851.49 is: 70,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,089.97 : 122,940.95 = 50,851.49 : x
  2. Step 2: Convert to fraction form
    89,089.97/122,940.95 = 50,851.49/x
  3. Step 3: Cross multiply
    89,089.97x = 122,940.95 × 50,851.49
  4. Step 4: Simplify right side
    89,089.97x = 6,251,729,620.55
  5. Step 5: Solve for x
    x = 6,251,729,620.55/89,089.97
  6. Step 6: Final answer
    x = 70,173.22

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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.