Home / 89,538.21-123,556.46-49,253.67

Finding the Fourth Proportional to 89,538.21, 123,556.46 and 49,253.67

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Solution

The fourth proportional to 89,538.21, 123,556.46 and 49,253.67 is: 67,966.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,538.21 : 123,556.46 = 49,253.67 : x
  2. Step 2: Convert to fraction form
    89,538.21/123,556.46 = 49,253.67/x
  3. Step 3: Cross multiply
    89,538.21x = 123,556.46 × 49,253.67
  4. Step 4: Simplify right side
    89,538.21x = 6,085,608,860.94
  5. Step 5: Solve for x
    x = 6,085,608,860.94/89,538.21
  6. Step 6: Final answer
    x = 67,966.61

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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.