Home / 89,571.02-123,604.85-49,284.45

Finding the Fourth Proportional to 89,571.02, 123,604.85 and 49,284.45

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Solution

The fourth proportional to 89,571.02, 123,604.85 and 49,284.45 is: 68,010.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,571.02 : 123,604.85 = 49,284.45 : x
  2. Step 2: Convert to fraction form
    89,571.02/123,604.85 = 49,284.45/x
  3. Step 3: Cross multiply
    89,571.02x = 123,604.85 × 49,284.45
  4. Step 4: Simplify right side
    89,571.02x = 6,091,797,172.79
  5. Step 5: Solve for x
    x = 6,091,797,172.79/89,571.02
  6. Step 6: Final answer
    x = 68,010.81

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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.