Home / 81,887.21-113,006.55-46,078.48

Finding the Fourth Proportional to 81,887.21, 113,006.55 and 46,078.48

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Solution

The fourth proportional to 81,887.21, 113,006.55 and 46,078.48 is: 63,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,887.21 : 113,006.55 = 46,078.48 : x
  2. Step 2: Convert to fraction form
    81,887.21/113,006.55 = 46,078.48/x
  3. Step 3: Cross multiply
    81,887.21x = 113,006.55 × 46,078.48
  4. Step 4: Simplify right side
    81,887.21x = 5,207,170,054.04
  5. Step 5: Solve for x
    x = 5,207,170,054.04/81,887.21
  6. Step 6: Final answer
    x = 63,589.54

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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.