Finding the Fourth Proportional to 79,286.61, 118,916.95 and 29,354.97
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Solution
The fourth proportional to 79,286.61, 118,916.95 and 29,354.97 is: 44,027.65
Step by Step Solution
- Step 1: Write the proportion equation
79,286.61 : 118,916.95 = 29,354.97 : x - Step 2: Convert to fraction form
79,286.61/118,916.95 = 29,354.97/x - Step 3: Cross multiply
79,286.61x = 118,916.95 × 29,354.97 - Step 4: Simplify right side
79,286.61x = 3,490,803,499.74 - Step 5: Solve for x
x = 3,490,803,499.74/79,286.61 - Step 6: Final answer
x = 44,027.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.