Finding the Fourth Proportional to 91,485.05, 137,219.47 and 32,317.79
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Solution
The fourth proportional to 91,485.05, 137,219.47 and 32,317.79 is: 48,473.82
Step by Step Solution
- Step 1: Write the proportion equation
91,485.05 : 137,219.47 = 32,317.79 : x - Step 2: Convert to fraction form
91,485.05/137,219.47 = 32,317.79/x - Step 3: Cross multiply
91,485.05x = 137,219.47 × 32,317.79 - Step 4: Simplify right side
91,485.05x = 4,434,629,248.48 - Step 5: Solve for x
x = 4,434,629,248.48/91,485.05 - Step 6: Final answer
x = 48,473.82
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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.