Home / 84,828.51-117,077.74-49,039.26

Finding the Fourth Proportional to 84,828.51, 117,077.74 and 49,039.26

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Solution

The fourth proportional to 84,828.51, 117,077.74 and 49,039.26 is: 67,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,828.51 : 117,077.74 = 49,039.26 : x
  2. Step 2: Convert to fraction form
    84,828.51/117,077.74 = 49,039.26/x
  3. Step 3: Cross multiply
    84,828.51x = 117,077.74 × 49,039.26
  4. Step 4: Simplify right side
    84,828.51x = 5,741,405,732.07
  5. Step 5: Solve for x
    x = 5,741,405,732.07/84,828.51
  6. Step 6: Final answer
    x = 67,682.50

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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.