Home / 81,968.73-113,115.74-46,159.17

Finding the Fourth Proportional to 81,968.73, 113,115.74 and 46,159.17

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Solution

The fourth proportional to 81,968.73, 113,115.74 and 46,159.17 is: 63,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,968.73 : 113,115.74 = 46,159.17 : x
  2. Step 2: Convert to fraction form
    81,968.73/113,115.74 = 46,159.17/x
  3. Step 3: Cross multiply
    81,968.73x = 113,115.74 × 46,159.17
  4. Step 4: Simplify right side
    81,968.73x = 5,221,328,441.54
  5. Step 5: Solve for x
    x = 5,221,328,441.54/81,968.73
  6. Step 6: Final answer
    x = 63,699.03

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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.