Finding the Fourth Proportional to 68,573.29, 102,859.95 and 29,102.74
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Solution
The fourth proportional to 68,573.29, 102,859.95 and 29,102.74 is: 43,654.12
Step by Step Solution
- Step 1: Write the proportion equation
68,573.29 : 102,859.95 = 29,102.74 : x - Step 2: Convert to fraction form
68,573.29/102,859.95 = 29,102.74/x - Step 3: Cross multiply
68,573.29x = 102,859.95 × 29,102.74 - Step 4: Simplify right side
68,573.29x = 2,993,506,381.26 - Step 5: Solve for x
x = 2,993,506,381.26/68,573.29 - Step 6: Final answer
x = 43,654.12
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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.