Finding the Fourth Proportional to 75,324.96, 112,917.66 and 27,913.63
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Solution
The fourth proportional to 75,324.96, 112,917.66 and 27,913.63 is: 41,844.59
Step by Step Solution
- Step 1: Write the proportion equation
75,324.96 : 112,917.66 = 27,913.63 : x - Step 2: Convert to fraction form
75,324.96/112,917.66 = 27,913.63/x - Step 3: Cross multiply
75,324.96x = 112,917.66 × 27,913.63 - Step 4: Simplify right side
75,324.96x = 3,151,941,781.71 - Step 5: Solve for x
x = 3,151,941,781.71/75,324.96 - Step 6: Final answer
x = 41,844.59
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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.