Finding the Fourth Proportional to 91,750.28, 137,639.12 and 32,580.99
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Solution
The fourth proportional to 91,750.28, 137,639.12 and 32,580.99 is: 48,876.35
Step by Step Solution
- Step 1: Write the proportion equation
91,750.28 : 137,639.12 = 32,580.99 : x - Step 2: Convert to fraction form
91,750.28/137,639.12 = 32,580.99/x - Step 3: Cross multiply
91,750.28x = 137,639.12 × 32,580.99 - Step 4: Simplify right side
91,750.28x = 4,484,418,629.42 - Step 5: Solve for x
x = 4,484,418,629.42/91,750.28 - Step 6: Final answer
x = 48,876.35
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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.