Finding the Fourth Proportional to 75,526.65, 113,193.09 and 31,184.55
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Solution
The fourth proportional to 75,526.65, 113,193.09 and 31,184.55 is: 46,736.82
Step by Step Solution
- Step 1: Write the proportion equation
75,526.65 : 113,193.09 = 31,184.55 : x - Step 2: Convert to fraction form
75,526.65/113,193.09 = 31,184.55/x - Step 3: Cross multiply
75,526.65x = 113,193.09 × 31,184.55 - Step 4: Simplify right side
75,526.65x = 3,529,875,574.76 - Step 5: Solve for x
x = 3,529,875,574.76/75,526.65 - Step 6: Final answer
x = 46,736.82
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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.