Home / 81,997.94-113,137.26-46,187.93

Finding the Fourth Proportional to 81,997.94, 113,137.26 and 46,187.93

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Solution

The fourth proportional to 81,997.94, 113,137.26 and 46,187.93 is: 63,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,997.94 : 113,137.26 = 46,187.93 : x
  2. Step 2: Convert to fraction form
    81,997.94/113,137.26 = 46,187.93/x
  3. Step 3: Cross multiply
    81,997.94x = 113,137.26 × 46,187.93
  4. Step 4: Simplify right side
    81,997.94x = 5,225,575,279.59
  5. Step 5: Solve for x
    x = 5,225,575,279.59/81,997.94
  6. Step 6: Final answer
    x = 63,728.13

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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.