Home / 82,921.34-114,431.18-45,195.59

Finding the Fourth Proportional to 82,921.34, 114,431.18 and 45,195.59

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Solution

The fourth proportional to 82,921.34, 114,431.18 and 45,195.59 is: 62,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,921.34 : 114,431.18 = 45,195.59 : x
  2. Step 2: Convert to fraction form
    82,921.34/114,431.18 = 45,195.59/x
  3. Step 3: Cross multiply
    82,921.34x = 114,431.18 × 45,195.59
  4. Step 4: Simplify right side
    82,921.34x = 5,171,783,896.36
  5. Step 5: Solve for x
    x = 5,171,783,896.36/82,921.34
  6. Step 6: Final answer
    x = 62,369.76

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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.