Finding the Fourth Proportional to 75,871.08, 113,821.27 and 29,120.31
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Solution
The fourth proportional to 75,871.08, 113,821.27 and 29,120.31 is: 43,686.09
Step by Step Solution
- Step 1: Write the proportion equation
75,871.08 : 113,821.27 = 29,120.31 : x - Step 2: Convert to fraction form
75,871.08/113,821.27 = 29,120.31/x - Step 3: Cross multiply
75,871.08x = 113,821.27 × 29,120.31 - Step 4: Simplify right side
75,871.08x = 3,314,510,594.19 - Step 5: Solve for x
x = 3,314,510,594.19/75,871.08 - Step 6: Final answer
x = 43,686.09
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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.