Home / 89,935.54-124,111.49-49,648.57

Finding the Fourth Proportional to 89,935.54, 124,111.49 and 49,648.57

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Solution

The fourth proportional to 89,935.54, 124,111.49 and 49,648.57 is: 68,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,935.54 : 124,111.49 = 49,648.57 : x
  2. Step 2: Convert to fraction form
    89,935.54/124,111.49 = 49,648.57/x
  3. Step 3: Cross multiply
    89,935.54x = 124,111.49 × 49,648.57
  4. Step 4: Simplify right side
    89,935.54x = 6,161,957,440.55
  5. Step 5: Solve for x
    x = 6,161,957,440.55/89,935.54
  6. Step 6: Final answer
    x = 68,515.27

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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.