Home / 80,905.37-111,653.24-45,095.67

Finding the Fourth Proportional to 80,905.37, 111,653.24 and 45,095.67

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Solution

The fourth proportional to 80,905.37, 111,653.24 and 45,095.67 is: 62,234.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,905.37 : 111,653.24 = 45,095.67 : x
  2. Step 2: Convert to fraction form
    80,905.37/111,653.24 = 45,095.67/x
  3. Step 3: Cross multiply
    80,905.37x = 111,653.24 × 45,095.67
  4. Step 4: Simplify right side
    80,905.37x = 5,035,077,439.99
  5. Step 5: Solve for x
    x = 5,035,077,439.99/80,905.37
  6. Step 6: Final answer
    x = 62,234.16

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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.