Home / 89,936.64-124,111.87-49,650.46

Finding the Fourth Proportional to 89,936.64, 124,111.87 and 49,650.46

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Solution

The fourth proportional to 89,936.64, 124,111.87 and 49,650.46 is: 68,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,936.64 : 124,111.87 = 49,650.46 : x
  2. Step 2: Convert to fraction form
    89,936.64/124,111.87 = 49,650.46/x
  3. Step 3: Cross multiply
    89,936.64x = 124,111.87 × 49,650.46
  4. Step 4: Simplify right side
    89,936.64x = 6,162,211,002.55
  5. Step 5: Solve for x
    x = 6,162,211,002.55/89,936.64
  6. Step 6: Final answer
    x = 68,517.25

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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.