Finding the Fourth Proportional to 75,616.19, 113,434.66 and 25,682.88
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Solution
The fourth proportional to 75,616.19, 113,434.66 and 25,682.88 is: 38,527.84
Step by Step Solution
- Step 1: Write the proportion equation
75,616.19 : 113,434.66 = 25,682.88 : x - Step 2: Convert to fraction form
75,616.19/113,434.66 = 25,682.88/x - Step 3: Cross multiply
75,616.19x = 113,434.66 × 25,682.88 - Step 4: Simplify right side
75,616.19x = 2,913,328,271.03 - Step 5: Solve for x
x = 2,913,328,271.03/75,616.19 - Step 6: Final answer
x = 38,527.84
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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.