Finding the Fourth Proportional to 75,616.47, 113,293.08 and 53,079.30
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Solution
The fourth proportional to 75,616.47, 113,293.08 and 53,079.30 is: 79,526.56
Step by Step Solution
- Step 1: Write the proportion equation
75,616.47 : 113,293.08 = 53,079.30 : x - Step 2: Convert to fraction form
75,616.47/113,293.08 = 53,079.30/x - Step 3: Cross multiply
75,616.47x = 113,293.08 × 53,079.30 - Step 4: Simplify right side
75,616.47x = 6,013,517,381.24 - Step 5: Solve for x
x = 6,013,517,381.24/75,616.47 - Step 6: Final answer
x = 79,526.56
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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.