Home / 89,489.37-123,496.16-49,203.39

Finding the Fourth Proportional to 89,489.37, 123,496.16 and 49,203.39

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Solution

The fourth proportional to 89,489.37, 123,496.16 and 49,203.39 is: 67,901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,489.37 : 123,496.16 = 49,203.39 : x
  2. Step 2: Convert to fraction form
    89,489.37/123,496.16 = 49,203.39/x
  3. Step 3: Cross multiply
    89,489.37x = 123,496.16 × 49,203.39
  4. Step 4: Simplify right side
    89,489.37x = 6,076,429,477.97
  5. Step 5: Solve for x
    x = 6,076,429,477.97/89,489.37
  6. Step 6: Final answer
    x = 67,901.13

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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.