Home / 89,466.78-123,466.92-49,183.62

Finding the Fourth Proportional to 89,466.78, 123,466.92 and 49,183.62

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Solution

The fourth proportional to 89,466.78, 123,466.92 and 49,183.62 is: 67,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,466.78 : 123,466.92 = 49,183.62 : x
  2. Step 2: Convert to fraction form
    89,466.78/123,466.92 = 49,183.62/x
  3. Step 3: Cross multiply
    89,466.78x = 123,466.92 × 49,183.62
  4. Step 4: Simplify right side
    89,466.78x = 6,072,550,075.85
  5. Step 5: Solve for x
    x = 6,072,550,075.85/89,466.78
  6. Step 6: Final answer
    x = 67,874.91

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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.