Finding the Fourth Proportional to 75,582.09, 104,335.61 and 53,792.48
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Solution
The fourth proportional to 75,582.09, 104,335.61 and 53,792.48 is: 74,256.63
Step by Step Solution
- Step 1: Write the proportion equation
75,582.09 : 104,335.61 = 53,792.48 : x - Step 2: Convert to fraction form
75,582.09/104,335.61 = 53,792.48/x - Step 3: Cross multiply
75,582.09x = 104,335.61 × 53,792.48 - Step 4: Simplify right side
75,582.09x = 5,612,471,206.09 - Step 5: Solve for x
x = 5,612,471,206.09/75,582.09 - Step 6: Final answer
x = 74,256.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.