Home / 82,936.31-114,442.07-47,116.28

Finding the Fourth Proportional to 82,936.31, 114,442.07 and 47,116.28

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Solution

The fourth proportional to 82,936.31, 114,442.07 and 47,116.28 is: 65,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,936.31 : 114,442.07 = 47,116.28 : x
  2. Step 2: Convert to fraction form
    82,936.31/114,442.07 = 47,116.28/x
  3. Step 3: Cross multiply
    82,936.31x = 114,442.07 × 47,116.28
  4. Step 4: Simplify right side
    82,936.31x = 5,392,084,664.42
  5. Step 5: Solve for x
    x = 5,392,084,664.42/82,936.31
  6. Step 6: Final answer
    x = 65,014.77

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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.