Home / 77,333.45-116,000.86-30,586.33

Finding the Fourth Proportional to 77,333.45, 116,000.86 and 30,586.33

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Solution

The fourth proportional to 77,333.45, 116,000.86 and 30,586.33 is: 45,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,333.45 : 116,000.86 = 30,586.33 : x
  2. Step 2: Convert to fraction form
    77,333.45/116,000.86 = 30,586.33/x
  3. Step 3: Cross multiply
    77,333.45x = 116,000.86 × 30,586.33
  4. Step 4: Simplify right side
    77,333.45x = 3,548,040,584.24
  5. Step 5: Solve for x
    x = 3,548,040,584.24/77,333.45
  6. Step 6: Final answer
    x = 45,879.77

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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.