Finding the Fourth Proportional to 113,473.62, 156,569.84 and 65,724.12
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Solution
The fourth proportional to 113,473.62, 156,569.84 and 65,724.12 is: 90,685.53
Step by Step Solution
- Step 1: Write the proportion equation
113,473.62 : 156,569.84 = 65,724.12 : x - Step 2: Convert to fraction form
113,473.62/156,569.84 = 65,724.12/x - Step 3: Cross multiply
113,473.62x = 156,569.84 × 65,724.12 - Step 4: Simplify right side
113,473.62x = 10,290,414,952.54 - Step 5: Solve for x
x = 10,290,414,952.54/113,473.62 - Step 6: Final answer
x = 90,685.53
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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.