Finding the Fourth Proportional to 75,330.62, 112,995.82 and 30,926.09
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Solution
The fourth proportional to 75,330.62, 112,995.82 and 30,926.09 is: 46,389.09
Step by Step Solution
- Step 1: Write the proportion equation
75,330.62 : 112,995.82 = 30,926.09 : x - Step 2: Convert to fraction form
75,330.62/112,995.82 = 30,926.09/x - Step 3: Cross multiply
75,330.62x = 112,995.82 × 30,926.09 - Step 4: Simplify right side
75,330.62x = 3,494,518,898.94 - Step 5: Solve for x
x = 3,494,518,898.94/75,330.62 - Step 6: Final answer
x = 46,389.09
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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.