Home / 89,923.44-124,144.07-54,122.25

Finding the Fourth Proportional to 89,923.44, 124,144.07 and 54,122.25

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Solution

The fourth proportional to 89,923.44, 124,144.07 and 54,122.25 is: 74,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,923.44 : 124,144.07 = 54,122.25 : x
  2. Step 2: Convert to fraction form
    89,923.44/124,144.07 = 54,122.25/x
  3. Step 3: Cross multiply
    89,923.44x = 124,144.07 × 54,122.25
  4. Step 4: Simplify right side
    89,923.44x = 6,718,956,121.95
  5. Step 5: Solve for x
    x = 6,718,956,121.95/89,923.44
  6. Step 6: Final answer
    x = 74,718.63

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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.