Home / 82,531.94-113,893.16-46,721.64

Finding the Fourth Proportional to 82,531.94, 113,893.16 and 46,721.64

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Solution

The fourth proportional to 82,531.94, 113,893.16 and 46,721.64 is: 64,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,531.94 : 113,893.16 = 46,721.64 : x
  2. Step 2: Convert to fraction form
    82,531.94/113,893.16 = 46,721.64/x
  3. Step 3: Cross multiply
    82,531.94x = 113,893.16 × 46,721.64
  4. Step 4: Simplify right side
    82,531.94x = 5,321,274,986.37
  5. Step 5: Solve for x
    x = 5,321,274,986.37/82,531.94
  6. Step 6: Final answer
    x = 64,475.35

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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.