Finding the Fourth Proportional to 75,302.79, 112,880.75 and 35,849.31
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Solution
The fourth proportional to 75,302.79, 112,880.75 and 35,849.31 is: 53,739.00
Step by Step Solution
- Step 1: Write the proportion equation
75,302.79 : 112,880.75 = 35,849.31 : x - Step 2: Convert to fraction form
75,302.79/112,880.75 = 35,849.31/x - Step 3: Cross multiply
75,302.79x = 112,880.75 × 35,849.31 - Step 4: Simplify right side
75,302.79x = 4,046,696,820.54 - Step 5: Solve for x
x = 4,046,696,820.54/75,302.79 - Step 6: Final answer
x = 53,739.00
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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.