Home / 82,021.56-113,189.24-46,223.06

Finding the Fourth Proportional to 82,021.56, 113,189.24 and 46,223.06

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Solution

The fourth proportional to 82,021.56, 113,189.24 and 46,223.06 is: 63,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,021.56 : 113,189.24 = 46,223.06 : x
  2. Step 2: Convert to fraction form
    82,021.56/113,189.24 = 46,223.06/x
  3. Step 3: Cross multiply
    82,021.56x = 113,189.24 × 46,223.06
  4. Step 4: Simplify right side
    82,021.56x = 5,231,953,031.87
  5. Step 5: Solve for x
    x = 5,231,953,031.87/82,021.56
  6. Step 6: Final answer
    x = 63,787.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.