Home / 89,504.36-123,518.02-49,215.56

Finding the Fourth Proportional to 89,504.36, 123,518.02 and 49,215.56

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Solution

The fourth proportional to 89,504.36, 123,518.02 and 49,215.56 is: 67,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,504.36 : 123,518.02 = 49,215.56 : x
  2. Step 2: Convert to fraction form
    89,504.36/123,518.02 = 49,215.56/x
  3. Step 3: Cross multiply
    89,504.36x = 123,518.02 × 49,215.56
  4. Step 4: Simplify right side
    89,504.36x = 6,079,008,524.39
  5. Step 5: Solve for x
    x = 6,079,008,524.39/89,504.36
  6. Step 6: Final answer
    x = 67,918.57

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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.