Finding the Fourth Proportional to 71,498.84, 107,248.26 and 29,916.68
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Solution
The fourth proportional to 71,498.84, 107,248.26 and 29,916.68 is: 44,875.02
Step by Step Solution
- Step 1: Write the proportion equation
71,498.84 : 107,248.26 = 29,916.68 : x - Step 2: Convert to fraction form
71,498.84/107,248.26 = 29,916.68/x - Step 3: Cross multiply
71,498.84x = 107,248.26 × 29,916.68 - Step 4: Simplify right side
71,498.84x = 3,208,511,874.98 - Step 5: Solve for x
x = 3,208,511,874.98/71,498.84 - Step 6: Final answer
x = 44,875.02
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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.