Home / 76,074.84-104,947.88-49,226

Finding the Fourth Proportional to 76,074.84, 104,947.88 and 49,226

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Solution

The fourth proportional to 76,074.84, 104,947.88 and 49,226 is: 67,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,074.84 : 104,947.88 = 49,226 : x
  2. Step 2: Convert to fraction form
    76,074.84/104,947.88 = 49,226/x
  3. Step 3: Cross multiply
    76,074.84x = 104,947.88 × 49,226
  4. Step 4: Simplify right side
    76,074.84x = 5,166,164,340.88
  5. Step 5: Solve for x
    x = 5,166,164,340.88/76,074.84
  6. Step 6: Final answer
    x = 67,908.97

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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.