Home / 89,372.93-123,336.13-49,090.42

Finding the Fourth Proportional to 89,372.93, 123,336.13 and 49,090.42

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Solution

The fourth proportional to 89,372.93, 123,336.13 and 49,090.42 is: 67,745.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,372.93 : 123,336.13 = 49,090.42 : x
  2. Step 2: Convert to fraction form
    89,372.93/123,336.13 = 49,090.42/x
  3. Step 3: Cross multiply
    89,372.93x = 123,336.13 × 49,090.42
  4. Step 4: Simplify right side
    89,372.93x = 6,054,621,806.19
  5. Step 5: Solve for x
    x = 6,054,621,806.19/89,372.93
  6. Step 6: Final answer
    x = 67,745.59

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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.