Home / 82,816.26-114,171.60-55,916.16

Finding the Fourth Proportional to 82,816.26, 114,171.60 and 55,916.16

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Solution

The fourth proportional to 82,816.26, 114,171.60 and 55,916.16 is: 77,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,816.26 : 114,171.60 = 55,916.16 : x
  2. Step 2: Convert to fraction form
    82,816.26/114,171.60 = 55,916.16/x
  3. Step 3: Cross multiply
    82,816.26x = 114,171.60 × 55,916.16
  4. Step 4: Simplify right side
    82,816.26x = 6,384,037,453.06
  5. Step 5: Solve for x
    x = 6,384,037,453.06/82,816.26
  6. Step 6: Final answer
    x = 77,086.76

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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.