Home / 76,181.11-105,052.85-50,654.67

Finding the Fourth Proportional to 76,181.11, 105,052.85 and 50,654.67

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Solution

The fourth proportional to 76,181.11, 105,052.85 and 50,654.67 is: 69,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,181.11 : 105,052.85 = 50,654.67 : x
  2. Step 2: Convert to fraction form
    76,181.11/105,052.85 = 50,654.67/x
  3. Step 3: Cross multiply
    76,181.11x = 105,052.85 × 50,654.67
  4. Step 4: Simplify right side
    76,181.11x = 5,321,416,992.04
  5. Step 5: Solve for x
    x = 5,321,416,992.04/76,181.11
  6. Step 6: Final answer
    x = 69,852.19

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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.