Home / 89,028.06-122,859.08-48,745.56

Finding the Fourth Proportional to 89,028.06, 122,859.08 and 48,745.56

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Solution

The fourth proportional to 89,028.06, 122,859.08 and 48,745.56 is: 67,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,028.06 : 122,859.08 = 48,745.56 : x
  2. Step 2: Convert to fraction form
    89,028.06/122,859.08 = 48,745.56/x
  3. Step 3: Cross multiply
    89,028.06x = 122,859.08 × 48,745.56
  4. Step 4: Simplify right side
    89,028.06x = 5,988,834,872.68
  5. Step 5: Solve for x
    x = 5,988,834,872.68/89,028.06
  6. Step 6: Final answer
    x = 67,269.07

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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.