Home / 81,918.94-113,047.86-46,108.93

Finding the Fourth Proportional to 81,918.94, 113,047.86 and 46,108.93

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Solution

The fourth proportional to 81,918.94, 113,047.86 and 46,108.93 is: 63,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,918.94 : 113,047.86 = 46,108.93 : x
  2. Step 2: Convert to fraction form
    81,918.94/113,047.86 = 46,108.93/x
  3. Step 3: Cross multiply
    81,918.94x = 113,047.86 × 46,108.93
  4. Step 4: Simplify right side
    81,918.94x = 5,212,515,863.39
  5. Step 5: Solve for x
    x = 5,212,515,863.39/81,918.94
  6. Step 6: Final answer
    x = 63,630.17

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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.