Home / 82,815.36-114,246.36-50,972.64

Finding the Fourth Proportional to 82,815.36, 114,246.36 and 50,972.64

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Solution

The fourth proportional to 82,815.36, 114,246.36 and 50,972.64 is: 70,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,815.36 : 114,246.36 = 50,972.64 : x
  2. Step 2: Convert to fraction form
    82,815.36/114,246.36 = 50,972.64/x
  3. Step 3: Cross multiply
    82,815.36x = 114,246.36 × 50,972.64
  4. Step 4: Simplify right side
    82,815.36x = 5,823,438,579.59
  5. Step 5: Solve for x
    x = 5,823,438,579.59/82,815.36
  6. Step 6: Final answer
    x = 70,318.34

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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.