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Finding the Fourth Proportional to 85,891.47, 118,533.39 and 51,893.39

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Solution

The fourth proportional to 85,891.47, 118,533.39 and 51,893.39 is: 71,614.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,891.47 : 118,533.39 = 51,893.39 : x
  2. Step 2: Convert to fraction form
    85,891.47/118,533.39 = 51,893.39/x
  3. Step 3: Cross multiply
    85,891.47x = 118,533.39 × 51,893.39
  4. Step 4: Simplify right side
    85,891.47x = 6,151,098,907.49
  5. Step 5: Solve for x
    x = 6,151,098,907.49/85,891.47
  6. Step 6: Final answer
    x = 71,614.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.