Home / 89,921.27-124,091.36-49,635.05

Finding the Fourth Proportional to 89,921.27, 124,091.36 and 49,635.05

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Solution

The fourth proportional to 89,921.27, 124,091.36 and 49,635.05 is: 68,496.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,921.27 : 124,091.36 = 49,635.05 : x
  2. Step 2: Convert to fraction form
    89,921.27/124,091.36 = 49,635.05/x
  3. Step 3: Cross multiply
    89,921.27x = 124,091.36 × 49,635.05
  4. Step 4: Simplify right side
    89,921.27x = 6,159,280,858.17
  5. Step 5: Solve for x
    x = 6,159,280,858.17/89,921.27
  6. Step 6: Final answer
    x = 68,496.37

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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.