Home / 81,896.39-113,016.65-46,087.01

Finding the Fourth Proportional to 81,896.39, 113,016.65 and 46,087.01

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Solution

The fourth proportional to 81,896.39, 113,016.65 and 46,087.01 is: 63,599.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,896.39 : 113,016.65 = 46,087.01 : x
  2. Step 2: Convert to fraction form
    81,896.39/113,016.65 = 46,087.01/x
  3. Step 3: Cross multiply
    81,896.39x = 113,016.65 × 46,087.01
  4. Step 4: Simplify right side
    81,896.39x = 5,208,599,028.85
  5. Step 5: Solve for x
    x = 5,208,599,028.85/81,896.39
  6. Step 6: Final answer
    x = 63,599.86

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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.