Finding the Fourth Proportional to 98,015.49, 135,283.46 and 59,787.99
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Solution
The fourth proportional to 98,015.49, 135,283.46 and 59,787.99 is: 82,520.89
Step by Step Solution
- Step 1: Write the proportion equation
98,015.49 : 135,283.46 = 59,787.99 : x - Step 2: Convert to fraction form
98,015.49/135,283.46 = 59,787.99/x - Step 3: Cross multiply
98,015.49x = 135,283.46 × 59,787.99 - Step 4: Simplify right side
98,015.49x = 8,088,325,854.71 - Step 5: Solve for x
x = 8,088,325,854.71/98,015.49 - Step 6: Final answer
x = 82,520.89
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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.