Home / 115,664.36-173,513.82-36,781.16

Finding the Fourth Proportional to 115,664.36, 173,513.82 and 36,781.16

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Solution

The fourth proportional to 115,664.36, 173,513.82 and 36,781.16 is: 55,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,664.36 : 173,513.82 = 36,781.16 : x
  2. Step 2: Convert to fraction form
    115,664.36/173,513.82 = 36,781.16/x
  3. Step 3: Cross multiply
    115,664.36x = 173,513.82 × 36,781.16
  4. Step 4: Simplify right side
    115,664.36x = 6,382,039,575.63
  5. Step 5: Solve for x
    x = 6,382,039,575.63/115,664.36
  6. Step 6: Final answer
    x = 55,177.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.