Home / 82,921.62-114,428.79-45,195.06

Finding the Fourth Proportional to 82,921.62, 114,428.79 and 45,195.06

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Solution

The fourth proportional to 82,921.62, 114,428.79 and 45,195.06 is: 62,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,921.62 : 114,428.79 = 45,195.06 : x
  2. Step 2: Convert to fraction form
    82,921.62/114,428.79 = 45,195.06/x
  3. Step 3: Cross multiply
    82,921.62x = 114,428.79 × 45,195.06
  4. Step 4: Simplify right side
    82,921.62x = 5,171,616,029.78
  5. Step 5: Solve for x
    x = 5,171,616,029.78/82,921.62
  6. Step 6: Final answer
    x = 62,367.52

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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.