Finding the Fourth Proportional to 79,806.96, 119,730.96 and 29,887.80
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Solution
The fourth proportional to 79,806.96, 119,730.96 and 29,887.80 is: 44,839.38
Step by Step Solution
- Step 1: Write the proportion equation
79,806.96 : 119,730.96 = 29,887.80 : x - Step 2: Convert to fraction form
79,806.96/119,730.96 = 29,887.80/x - Step 3: Cross multiply
79,806.96x = 119,730.96 × 29,887.80 - Step 4: Simplify right side
79,806.96x = 3,578,494,986.29 - Step 5: Solve for x
x = 3,578,494,986.29/79,806.96 - Step 6: Final answer
x = 44,839.38
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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.