Home / 82,759.50-114,208.38-45,033.78

Finding the Fourth Proportional to 82,759.50, 114,208.38 and 45,033.78

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Solution

The fourth proportional to 82,759.50, 114,208.38 and 45,033.78 is: 62,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,759.50 : 114,208.38 = 45,033.78 : x
  2. Step 2: Convert to fraction form
    82,759.50/114,208.38 = 45,033.78/x
  3. Step 3: Cross multiply
    82,759.50x = 114,208.38 × 45,033.78
  4. Step 4: Simplify right side
    82,759.50x = 5,143,235,059.08
  5. Step 5: Solve for x
    x = 5,143,235,059.08/82,759.50
  6. Step 6: Final answer
    x = 62,146.76

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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.