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Finding the Fourth Proportional to 85,641.26, 118,185.17 and 47,403.44

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Solution

The fourth proportional to 85,641.26, 118,185.17 and 47,403.44 is: 65,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,641.26 : 118,185.17 = 47,403.44 : x
  2. Step 2: Convert to fraction form
    85,641.26/118,185.17 = 47,403.44/x
  3. Step 3: Cross multiply
    85,641.26x = 118,185.17 × 47,403.44
  4. Step 4: Simplify right side
    85,641.26x = 5,602,383,529.76
  5. Step 5: Solve for x
    x = 5,602,383,529.76/85,641.26
  6. Step 6: Final answer
    x = 65,416.88

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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.