Home / 81,918.32-113,047.00-46,108.31

Finding the Fourth Proportional to 81,918.32, 113,047.00 and 46,108.31

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Solution

The fourth proportional to 81,918.32, 113,047.00 and 46,108.31 is: 63,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,918.32 : 113,047.00 = 46,108.31 : x
  2. Step 2: Convert to fraction form
    81,918.32/113,047.00 = 46,108.31/x
  3. Step 3: Cross multiply
    81,918.32x = 113,047.00 × 46,108.31
  4. Step 4: Simplify right side
    81,918.32x = 5,212,405,440.06
  5. Step 5: Solve for x
    x = 5,212,405,440.06/81,918.32
  6. Step 6: Final answer
    x = 63,629.30

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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.