Home / 82,141.14-113,372.46-51,907.26

Finding the Fourth Proportional to 82,141.14, 113,372.46 and 51,907.26

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Solution

The fourth proportional to 82,141.14, 113,372.46 and 51,907.26 is: 71,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,141.14 : 113,372.46 = 51,907.26 : x
  2. Step 2: Convert to fraction form
    82,141.14/113,372.46 = 51,907.26/x
  3. Step 3: Cross multiply
    82,141.14x = 113,372.46 × 51,907.26
  4. Step 4: Simplify right side
    82,141.14x = 5,884,853,758.06
  5. Step 5: Solve for x
    x = 5,884,853,758.06/82,141.14
  6. Step 6: Final answer
    x = 71,643.20

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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.