Home / 81,915.30-113,048.46-46,101.96

Finding the Fourth Proportional to 81,915.30, 113,048.46 and 46,101.96

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Solution

The fourth proportional to 81,915.30, 113,048.46 and 46,101.96 is: 63,623.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,915.30 : 113,048.46 = 46,101.96 : x
  2. Step 2: Convert to fraction form
    81,915.30/113,048.46 = 46,101.96/x
  3. Step 3: Cross multiply
    81,915.30x = 113,048.46 × 46,101.96
  4. Step 4: Simplify right side
    81,915.30x = 5,211,755,580.98
  5. Step 5: Solve for x
    x = 5,211,755,580.98/81,915.30
  6. Step 6: Final answer
    x = 63,623.71

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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.