Home / 89,504.21-123,518.97-49,221.02

Finding the Fourth Proportional to 89,504.21, 123,518.97 and 49,221.02

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Solution

The fourth proportional to 89,504.21, 123,518.97 and 49,221.02 is: 67,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,504.21 : 123,518.97 = 49,221.02 : x
  2. Step 2: Convert to fraction form
    89,504.21/123,518.97 = 49,221.02/x
  3. Step 3: Cross multiply
    89,504.21x = 123,518.97 × 49,221.02
  4. Step 4: Simplify right side
    89,504.21x = 6,079,729,075.15
  5. Step 5: Solve for x
    x = 6,079,729,075.15/89,504.21
  6. Step 6: Final answer
    x = 67,926.74

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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.