Finding the Fourth Proportional to 79,985.68, 110,378.09 and 44,173.15
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Solution
The fourth proportional to 79,985.68, 110,378.09 and 44,173.15 is: 60,957.76
Step by Step Solution
- Step 1: Write the proportion equation
79,985.68 : 110,378.09 = 44,173.15 : x - Step 2: Convert to fraction form
79,985.68/110,378.09 = 44,173.15/x - Step 3: Cross multiply
79,985.68x = 110,378.09 × 44,173.15 - Step 4: Simplify right side
79,985.68x = 4,875,747,760.77 - Step 5: Solve for x
x = 4,875,747,760.77/79,985.68 - Step 6: Final answer
x = 60,957.76
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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.