Home / 89,277.13-123,198.21-48,990.03

Finding the Fourth Proportional to 89,277.13, 123,198.21 and 48,990.03

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Solution

The fourth proportional to 89,277.13, 123,198.21 and 48,990.03 is: 67,603.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,277.13 : 123,198.21 = 48,990.03 : x
  2. Step 2: Convert to fraction form
    89,277.13/123,198.21 = 48,990.03/x
  3. Step 3: Cross multiply
    89,277.13x = 123,198.21 × 48,990.03
  4. Step 4: Simplify right side
    89,277.13x = 6,035,484,003.85
  5. Step 5: Solve for x
    x = 6,035,484,003.85/89,277.13
  6. Step 6: Final answer
    x = 67,603.92

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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.