Finding the Fourth Proportional to 74,375.66, 102,628.08 and 43,750.14
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Solution
The fourth proportional to 74,375.66, 102,628.08 and 43,750.14 is: 60,369.12
Step by Step Solution
- Step 1: Write the proportion equation
74,375.66 : 102,628.08 = 43,750.14 : x - Step 2: Convert to fraction form
74,375.66/102,628.08 = 43,750.14/x - Step 3: Cross multiply
74,375.66x = 102,628.08 × 43,750.14 - Step 4: Simplify right side
74,375.66x = 4,489,992,867.93 - Step 5: Solve for x
x = 4,489,992,867.93/74,375.66 - Step 6: Final answer
x = 60,369.12
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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.