Home / 121,905.27-182,857.91-51,735.38

Finding the Fourth Proportional to 121,905.27, 182,857.91 and 51,735.38

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Solution

The fourth proportional to 121,905.27, 182,857.91 and 51,735.38 is: 77,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,905.27 : 182,857.91 = 51,735.38 : x
  2. Step 2: Convert to fraction form
    121,905.27/182,857.91 = 51,735.38/x
  3. Step 3: Cross multiply
    121,905.27x = 182,857.91 × 51,735.38
  4. Step 4: Simplify right side
    121,905.27x = 9,460,222,286.89
  5. Step 5: Solve for x
    x = 9,460,222,286.89/121,905.27
  6. Step 6: Final answer
    x = 77,603.06

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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.