Finding the Fourth Proportional to 80,427.95, 110,990.70 and 44,617.96
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Solution
The fourth proportional to 80,427.95, 110,990.70 and 44,617.96 is: 61,572.86
Step by Step Solution
- Step 1: Write the proportion equation
80,427.95 : 110,990.70 = 44,617.96 : x - Step 2: Convert to fraction form
80,427.95/110,990.70 = 44,617.96/x - Step 3: Cross multiply
80,427.95x = 110,990.70 × 44,617.96 - Step 4: Simplify right side
80,427.95x = 4,952,178,595.63 - Step 5: Solve for x
x = 4,952,178,595.63/80,427.95 - Step 6: Final answer
x = 61,572.86
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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.