Finding the Fourth Proportional to 87,118.14, 120,265.28 and 58,427.31
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Solution
The fourth proportional to 87,118.14, 120,265.28 and 58,427.31 is: 80,658.02
Step by Step Solution
- Step 1: Write the proportion equation
87,118.14 : 120,265.28 = 58,427.31 : x - Step 2: Convert to fraction form
87,118.14/120,265.28 = 58,427.31/x - Step 3: Cross multiply
87,118.14x = 120,265.28 × 58,427.31 - Step 4: Simplify right side
87,118.14x = 7,026,776,504.66 - Step 5: Solve for x
x = 7,026,776,504.66/87,118.14 - Step 6: Final answer
x = 80,658.02
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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.