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Finding the Fourth Proportional to 85,795.04, 118,400.21 and 51,796.89

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Solution

The fourth proportional to 85,795.04, 118,400.21 and 51,796.89 is: 71,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,795.04 : 118,400.21 = 51,796.89 : x
  2. Step 2: Convert to fraction form
    85,795.04/118,400.21 = 51,796.89/x
  3. Step 3: Cross multiply
    85,795.04x = 118,400.21 × 51,796.89
  4. Step 4: Simplify right side
    85,795.04x = 6,132,762,394.36
  5. Step 5: Solve for x
    x = 6,132,762,394.36/85,795.04
  6. Step 6: Final answer
    x = 71,481.55

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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.