Finding the Fourth Proportional to 79,889.95, 110,248.05 and 44,079.96
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Solution
The fourth proportional to 79,889.95, 110,248.05 and 44,079.96 is: 60,830.30
Step by Step Solution
- Step 1: Write the proportion equation
79,889.95 : 110,248.05 = 44,079.96 : x - Step 2: Convert to fraction form
79,889.95/110,248.05 = 44,079.96/x - Step 3: Cross multiply
79,889.95x = 110,248.05 × 44,079.96 - Step 4: Simplify right side
79,889.95x = 4,859,729,634.08 - Step 5: Solve for x
x = 4,859,729,634.08/79,889.95 - Step 6: Final answer
x = 60,830.30
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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.