Home / 81,896.40-113,007.76-46,085.64

Finding the Fourth Proportional to 81,896.40, 113,007.76 and 46,085.64

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Solution

The fourth proportional to 81,896.40, 113,007.76 and 46,085.64 is: 63,592.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,896.40 : 113,007.76 = 46,085.64 : x
  2. Step 2: Convert to fraction form
    81,896.40/113,007.76 = 46,085.64/x
  3. Step 3: Cross multiply
    81,896.40x = 113,007.76 × 46,085.64
  4. Step 4: Simplify right side
    81,896.40x = 5,208,034,944.57
  5. Step 5: Solve for x
    x = 5,208,034,944.57/81,896.40
  6. Step 6: Final answer
    x = 63,592.97

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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.