Home / 50,091.48-75,137.58-20,512.35

Finding the Fourth Proportional to 50,091.48, 75,137.58 and 20,512.35

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Solution

The fourth proportional to 50,091.48, 75,137.58 and 20,512.35 is: 30,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,091.48 : 75,137.58 = 20,512.35 : x
  2. Step 2: Convert to fraction form
    50,091.48/75,137.58 = 20,512.35/x
  3. Step 3: Cross multiply
    50,091.48x = 75,137.58 × 20,512.35
  4. Step 4: Simplify right side
    50,091.48x = 1,541,248,339.11
  5. Step 5: Solve for x
    x = 1,541,248,339.11/50,091.48
  6. Step 6: Final answer
    x = 30,768.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.