Home / 85,383.04-117,833.16-49,584.28

Finding the Fourth Proportional to 85,383.04, 117,833.16 and 49,584.28

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Solution

The fourth proportional to 85,383.04, 117,833.16 and 49,584.28 is: 68,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,383.04 : 117,833.16 = 49,584.28 : x
  2. Step 2: Convert to fraction form
    85,383.04/117,833.16 = 49,584.28/x
  3. Step 3: Cross multiply
    85,383.04x = 117,833.16 × 49,584.28
  4. Step 4: Simplify right side
    85,383.04x = 5,842,672,398.72
  5. Step 5: Solve for x
    x = 5,842,672,398.72/85,383.04
  6. Step 6: Final answer
    x = 68,428.96

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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.