Home / 89,229.07-123,133.84-48,390.94

Finding the Fourth Proportional to 89,229.07, 123,133.84 and 48,390.94

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Solution

The fourth proportional to 89,229.07, 123,133.84 and 48,390.94 is: 66,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,229.07 : 123,133.84 = 48,390.94 : x
  2. Step 2: Convert to fraction form
    89,229.07/123,133.84 = 48,390.94/x
  3. Step 3: Cross multiply
    89,229.07x = 123,133.84 × 48,390.94
  4. Step 4: Simplify right side
    89,229.07x = 5,958,562,263.41
  5. Step 5: Solve for x
    x = 5,958,562,263.41/89,229.07
  6. Step 6: Final answer
    x = 66,778.26

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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.