Finding the Fourth Proportional to 74,546.08, 102,875.52 and 40,556.68
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Solution
The fourth proportional to 74,546.08, 102,875.52 and 40,556.68 is: 55,969.27
Step by Step Solution
- Step 1: Write the proportion equation
74,546.08 : 102,875.52 = 40,556.68 : x - Step 2: Convert to fraction form
74,546.08/102,875.52 = 40,556.68/x - Step 3: Cross multiply
74,546.08x = 102,875.52 × 40,556.68 - Step 4: Simplify right side
74,546.08x = 4,172,289,544.47 - Step 5: Solve for x
x = 4,172,289,544.47/74,546.08 - Step 6: Final answer
x = 55,969.27
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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.