Finding the Fourth Proportional to 75,743.64, 104,715.18 and 56,847.96
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Solution
The fourth proportional to 75,743.64, 104,715.18 and 56,847.96 is: 78,592.00
Step by Step Solution
- Step 1: Write the proportion equation
75,743.64 : 104,715.18 = 56,847.96 : x - Step 2: Convert to fraction form
75,743.64/104,715.18 = 56,847.96/x - Step 3: Cross multiply
75,743.64x = 104,715.18 × 56,847.96 - Step 4: Simplify right side
75,743.64x = 5,952,844,364.03 - Step 5: Solve for x
x = 5,952,844,364.03/75,743.64 - Step 6: Final answer
x = 78,592.00
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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.