Finding the Fourth Proportional to 68,035.26, 102,030.18 and 28,585.02
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Solution
The fourth proportional to 68,035.26, 102,030.18 and 28,585.02 is: 42,867.99
Step by Step Solution
- Step 1: Write the proportion equation
68,035.26 : 102,030.18 = 28,585.02 : x - Step 2: Convert to fraction form
68,035.26/102,030.18 = 28,585.02/x - Step 3: Cross multiply
68,035.26x = 102,030.18 × 28,585.02 - Step 4: Simplify right side
68,035.26x = 2,916,534,735.90 - Step 5: Solve for x
x = 2,916,534,735.90/68,035.26 - Step 6: Final answer
x = 42,867.99
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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.