Home / 53,767.20-80,715.60-30,093.60

Finding the Fourth Proportional to 53,767.20, 80,715.60 and 30,093.60

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Solution

The fourth proportional to 53,767.20, 80,715.60 and 30,093.60 is: 45,176.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,767.20 : 80,715.60 = 30,093.60 : x
  2. Step 2: Convert to fraction form
    53,767.20/80,715.60 = 30,093.60/x
  3. Step 3: Cross multiply
    53,767.20x = 80,715.60 × 30,093.60
  4. Step 4: Simplify right side
    53,767.20x = 2,429,022,980.16
  5. Step 5: Solve for x
    x = 2,429,022,980.16/53,767.20
  6. Step 6: Final answer
    x = 45,176.67

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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.