Finding the Fourth Proportional to 75,792.93, 113,722.21 and 40,691.58
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Solution
The fourth proportional to 75,792.93, 113,722.21 and 40,691.58 is: 61,054.99
Step by Step Solution
- Step 1: Write the proportion equation
75,792.93 : 113,722.21 = 40,691.58 : x - Step 2: Convert to fraction form
75,792.93/113,722.21 = 40,691.58/x - Step 3: Cross multiply
75,792.93x = 113,722.21 × 40,691.58 - Step 4: Simplify right side
75,792.93x = 4,627,536,670.09 - Step 5: Solve for x
x = 4,627,536,670.09/75,792.93 - Step 6: Final answer
x = 61,054.99
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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.