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Finding the Fourth Proportional to 79,608.24, 118,710.03 and 78,897.60

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Solution

The fourth proportional to 79,608.24, 118,710.03 and 78,897.60 is: 117,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,608.24 : 118,710.03 = 78,897.60 : x
  2. Step 2: Convert to fraction form
    79,608.24/118,710.03 = 78,897.60/x
  3. Step 3: Cross multiply
    79,608.24x = 118,710.03 × 78,897.60
  4. Step 4: Simplify right side
    79,608.24x = 9,365,936,462.93
  5. Step 5: Solve for x
    x = 9,365,936,462.93/79,608.24
  6. Step 6: Final answer
    x = 117,650.34

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.