Finding the Fourth Proportional to 79,953.62, 110,335.29 and 44,142.87
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Solution
The fourth proportional to 79,953.62, 110,335.29 and 44,142.87 is: 60,916.77
Step by Step Solution
- Step 1: Write the proportion equation
79,953.62 : 110,335.29 = 44,142.87 : x - Step 2: Convert to fraction form
79,953.62/110,335.29 = 44,142.87/x - Step 3: Cross multiply
79,953.62x = 110,335.29 × 44,142.87 - Step 4: Simplify right side
79,953.62x = 4,870,516,362.88 - Step 5: Solve for x
x = 4,870,516,362.88/79,953.62 - Step 6: Final answer
x = 60,916.77
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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.