Finding the Fourth Proportional to 79,988.44, 110,384.96 and 44,177.64
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Solution
The fourth proportional to 79,988.44, 110,384.96 and 44,177.64 is: 60,965.65
Step by Step Solution
- Step 1: Write the proportion equation
79,988.44 : 110,384.96 = 44,177.64 : x - Step 2: Convert to fraction form
79,988.44/110,384.96 = 44,177.64/x - Step 3: Cross multiply
79,988.44x = 110,384.96 × 44,177.64 - Step 4: Simplify right side
79,988.44x = 4,876,547,024.29 - Step 5: Solve for x
x = 4,876,547,024.29/79,988.44 - Step 6: Final answer
x = 60,965.65
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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.