Finding the Fourth Proportional to 89,528.68, 134,312.49 and 29,559.78
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Solution
The fourth proportional to 89,528.68, 134,312.49 and 29,559.78 is: 44,346.09
Step by Step Solution
- Step 1: Write the proportion equation
89,528.68 : 134,312.49 = 29,559.78 : x - Step 2: Convert to fraction form
89,528.68/134,312.49 = 29,559.78/x - Step 3: Cross multiply
89,528.68x = 134,312.49 × 29,559.78 - Step 4: Simplify right side
89,528.68x = 3,970,247,151.98 - Step 5: Solve for x
x = 3,970,247,151.98/89,528.68 - Step 6: Final answer
x = 44,346.09
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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.