Home / 82,161.50-113,382.87-44,435.75

Finding the Fourth Proportional to 82,161.50, 113,382.87 and 44,435.75

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Solution

The fourth proportional to 82,161.50, 113,382.87 and 44,435.75 is: 61,321.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,161.50 : 113,382.87 = 44,435.75 : x
  2. Step 2: Convert to fraction form
    82,161.50/113,382.87 = 44,435.75/x
  3. Step 3: Cross multiply
    82,161.50x = 113,382.87 × 44,435.75
  4. Step 4: Simplify right side
    82,161.50x = 5,038,252,865.60
  5. Step 5: Solve for x
    x = 5,038,252,865.60/82,161.50
  6. Step 6: Final answer
    x = 61,321.34

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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.