Finding the Fourth Proportional to 80,387.76, 110,927.84 and 44,577.66
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Solution
The fourth proportional to 80,387.76, 110,927.84 and 44,577.66 is: 61,513.14
Step by Step Solution
- Step 1: Write the proportion equation
80,387.76 : 110,927.84 = 44,577.66 : x - Step 2: Convert to fraction form
80,387.76/110,927.84 = 44,577.66/x - Step 3: Cross multiply
80,387.76x = 110,927.84 × 44,577.66 - Step 4: Simplify right side
80,387.76x = 4,944,903,536.05 - Step 5: Solve for x
x = 4,944,903,536.05/80,387.76 - Step 6: Final answer
x = 61,513.14
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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.