Finding the Fourth Proportional to 76,486.07, 114,689.68 and 34,330.01
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Solution
The fourth proportional to 76,486.07, 114,689.68 and 34,330.01 is: 51,477.32
Step by Step Solution
- Step 1: Write the proportion equation
76,486.07 : 114,689.68 = 34,330.01 : x - Step 2: Convert to fraction form
76,486.07/114,689.68 = 34,330.01/x - Step 3: Cross multiply
76,486.07x = 114,689.68 × 34,330.01 - Step 4: Simplify right side
76,486.07x = 3,937,298,355.14 - Step 5: Solve for x
x = 3,937,298,355.14/76,486.07 - Step 6: Final answer
x = 51,477.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.