Home / 76,942.73-106,228.98-49,733.07

Finding the Fourth Proportional to 76,942.73, 106,228.98 and 49,733.07

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Solution

The fourth proportional to 76,942.73, 106,228.98 and 49,733.07 is: 68,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,942.73 : 106,228.98 = 49,733.07 : x
  2. Step 2: Convert to fraction form
    76,942.73/106,228.98 = 49,733.07/x
  3. Step 3: Cross multiply
    76,942.73x = 106,228.98 × 49,733.07
  4. Step 4: Simplify right side
    76,942.73x = 5,283,093,298.37
  5. Step 5: Solve for x
    x = 5,283,093,298.37/76,942.73
  6. Step 6: Final answer
    x = 68,662.67

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1.5x scale

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.