Home / 80,536.55-111,196.04-50,335.45

Finding the Fourth Proportional to 80,536.55, 111,196.04 and 50,335.45

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Solution

The fourth proportional to 80,536.55, 111,196.04 and 50,335.45 is: 69,497.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,536.55 : 111,196.04 = 50,335.45 : x
  2. Step 2: Convert to fraction form
    80,536.55/111,196.04 = 50,335.45/x
  3. Step 3: Cross multiply
    80,536.55x = 111,196.04 × 50,335.45
  4. Step 4: Simplify right side
    80,536.55x = 5,597,102,465.09
  5. Step 5: Solve for x
    x = 5,597,102,465.09/80,536.55
  6. Step 6: Final answer
    x = 69,497.67

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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.