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Finding the Fourth Proportional to 78,935, 118,460.94 and 37,382.12

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Solution

The fourth proportional to 78,935, 118,460.94 and 37,382.12 is: 56,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,935 : 118,460.94 = 37,382.12 : x
  2. Step 2: Convert to fraction form
    78,935/118,460.94 = 37,382.12/x
  3. Step 3: Cross multiply
    78,935x = 118,460.94 × 37,382.12
  4. Step 4: Simplify right side
    78,935x = 4,428,321,074.39
  5. Step 5: Solve for x
    x = 4,428,321,074.39/78,935
  6. Step 6: Final answer
    x = 56,100.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.