Home / 89,484.34-123,489.22-49,198.39

Finding the Fourth Proportional to 89,484.34, 123,489.22 and 49,198.39

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Solution

The fourth proportional to 89,484.34, 123,489.22 and 49,198.39 is: 67,894.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,484.34 : 123,489.22 = 49,198.39 : x
  2. Step 2: Convert to fraction form
    89,484.34/123,489.22 = 49,198.39/x
  3. Step 3: Cross multiply
    89,484.34x = 123,489.22 × 49,198.39
  4. Step 4: Simplify right side
    89,484.34x = 6,075,470,806.36
  5. Step 5: Solve for x
    x = 6,075,470,806.36/89,484.34
  6. Step 6: Final answer
    x = 67,894.23

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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.