Finding the Fourth Proportional to 71,250.84, 106,841.74 and 29,114.19
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Solution
The fourth proportional to 71,250.84, 106,841.74 and 29,114.19 is: 43,657.18
Step by Step Solution
- Step 1: Write the proportion equation
71,250.84 : 106,841.74 = 29,114.19 : x - Step 2: Convert to fraction form
71,250.84/106,841.74 = 29,114.19/x - Step 3: Cross multiply
71,250.84x = 106,841.74 × 29,114.19 - Step 4: Simplify right side
71,250.84x = 3,110,610,718.29 - Step 5: Solve for x
x = 3,110,610,718.29/71,250.84 - Step 6: Final answer
x = 43,657.18
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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.