Home / 85,735.33-118,319.00-51,743.27

Finding the Fourth Proportional to 85,735.33, 118,319.00 and 51,743.27

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Solution

The fourth proportional to 85,735.33, 118,319.00 and 51,743.27 is: 71,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,735.33 : 118,319.00 = 51,743.27 : x
  2. Step 2: Convert to fraction form
    85,735.33/118,319.00 = 51,743.27/x
  3. Step 3: Cross multiply
    85,735.33x = 118,319.00 × 51,743.27
  4. Step 4: Simplify right side
    85,735.33x = 6,122,212,000.21
  5. Step 5: Solve for x
    x = 6,122,212,000.21/85,735.33
  6. Step 6: Final answer
    x = 71,408.28

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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.