Home / 82,107.02-113,359.40-62,951.28

Finding the Fourth Proportional to 82,107.02, 113,359.40 and 62,951.28

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Solution

The fourth proportional to 82,107.02, 113,359.40 and 62,951.28 is: 86,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,107.02 : 113,359.40 = 62,951.28 : x
  2. Step 2: Convert to fraction form
    82,107.02/113,359.40 = 62,951.28/x
  3. Step 3: Cross multiply
    82,107.02x = 113,359.40 × 62,951.28
  4. Step 4: Simplify right side
    82,107.02x = 7,136,119,015.28
  5. Step 5: Solve for x
    x = 7,136,119,015.28/82,107.02
  6. Step 6: Final answer
    x = 86,912.42

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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.