Finding the Fourth Proportional to 98,614.64, 136,090.88 and 60,373.44
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Solution
The fourth proportional to 98,614.64, 136,090.88 and 60,373.44 is: 83,316.99
Step by Step Solution
- Step 1: Write the proportion equation
98,614.64 : 136,090.88 = 60,373.44 : x - Step 2: Convert to fraction form
98,614.64/136,090.88 = 60,373.44/x - Step 3: Cross multiply
98,614.64x = 136,090.88 × 60,373.44 - Step 4: Simplify right side
98,614.64x = 8,216,274,578.23 - Step 5: Solve for x
x = 8,216,274,578.23/98,614.64 - Step 6: Final answer
x = 83,316.99
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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.