Home / 89,450.77-123,442.14-49,164.22

Finding the Fourth Proportional to 89,450.77, 123,442.14 and 49,164.22

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Solution

The fourth proportional to 89,450.77, 123,442.14 and 49,164.22 is: 67,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,450.77 : 123,442.14 = 49,164.22 : x
  2. Step 2: Convert to fraction form
    89,450.77/123,442.14 = 49,164.22/x
  3. Step 3: Cross multiply
    89,450.77x = 123,442.14 × 49,164.22
  4. Step 4: Simplify right side
    89,450.77x = 6,068,936,528.23
  5. Step 5: Solve for x
    x = 6,068,936,528.23/89,450.77
  6. Step 6: Final answer
    x = 67,846.67

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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.