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Finding the Fourth Proportional to 76,054.40, 104,738.88 and 74,426.24

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Solution

The fourth proportional to 76,054.40, 104,738.88 and 74,426.24 is: 102,496.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,054.40 : 104,738.88 = 74,426.24 : x
  2. Step 2: Convert to fraction form
    76,054.40/104,738.88 = 74,426.24/x
  3. Step 3: Cross multiply
    76,054.40x = 104,738.88 × 74,426.24
  4. Step 4: Simplify right side
    76,054.40x = 7,795,321,020.21
  5. Step 5: Solve for x
    x = 7,795,321,020.21/76,054.40
  6. Step 6: Final answer
    x = 102,496.65

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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.