Finding the Fourth Proportional to 99,916.96, 149,898.99 and 32,448.76
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Solution
The fourth proportional to 99,916.96, 149,898.99 and 32,448.76 is: 48,680.80
Step by Step Solution
- Step 1: Write the proportion equation
99,916.96 : 149,898.99 = 32,448.76 : x - Step 2: Convert to fraction form
99,916.96/149,898.99 = 32,448.76/x - Step 3: Cross multiply
99,916.96x = 149,898.99 × 32,448.76 - Step 4: Simplify right side
99,916.96x = 4,864,037,106.03 - Step 5: Solve for x
x = 4,864,037,106.03/99,916.96 - Step 6: Final answer
x = 48,680.80
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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.