Home / 89,324.94-123,272.10-49,040.40

Finding the Fourth Proportional to 89,324.94, 123,272.10 and 49,040.40

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Solution

The fourth proportional to 89,324.94, 123,272.10 and 49,040.40 is: 67,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,324.94 : 123,272.10 = 49,040.40 : x
  2. Step 2: Convert to fraction form
    89,324.94/123,272.10 = 49,040.40/x
  3. Step 3: Cross multiply
    89,324.94x = 123,272.10 × 49,040.40
  4. Step 4: Simplify right side
    89,324.94x = 6,045,313,092.84
  5. Step 5: Solve for x
    x = 6,045,313,092.84/89,324.94
  6. Step 6: Final answer
    x = 67,677.77

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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.