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Finding the Fourth Proportional to 85,546.94, 118,055.07 and 47,821.19

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Solution

The fourth proportional to 85,546.94, 118,055.07 and 47,821.19 is: 65,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,546.94 : 118,055.07 = 47,821.19 : x
  2. Step 2: Convert to fraction form
    85,546.94/118,055.07 = 47,821.19/x
  3. Step 3: Cross multiply
    85,546.94x = 118,055.07 × 47,821.19
  4. Step 4: Simplify right side
    85,546.94x = 5,645,533,342.66
  5. Step 5: Solve for x
    x = 5,645,533,342.66/85,546.94
  6. Step 6: Final answer
    x = 65,993.40

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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.