Home / 89,912.52-124,078.66-49,626.28

Finding the Fourth Proportional to 89,912.52, 124,078.66 and 49,626.28

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Solution

The fourth proportional to 89,912.52, 124,078.66 and 49,626.28 is: 68,483.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,912.52 : 124,078.66 = 49,626.28 : x
  2. Step 2: Convert to fraction form
    89,912.52/124,078.66 = 49,626.28/x
  3. Step 3: Cross multiply
    89,912.52x = 124,078.66 × 49,626.28
  4. Step 4: Simplify right side
    89,912.52x = 6,157,562,323.18
  5. Step 5: Solve for x
    x = 6,157,562,323.18/89,912.52
  6. Step 6: Final answer
    x = 68,483.93

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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.