Finding the Fourth Proportional to 98,699.42, 148,058.04 and 32,122.28
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Solution
The fourth proportional to 98,699.42, 148,058.04 and 32,122.28 is: 48,186.32
Step by Step Solution
- Step 1: Write the proportion equation
98,699.42 : 148,058.04 = 32,122.28 : x - Step 2: Convert to fraction form
98,699.42/148,058.04 = 32,122.28/x - Step 3: Cross multiply
98,699.42x = 148,058.04 × 32,122.28 - Step 4: Simplify right side
98,699.42x = 4,755,961,817.13 - Step 5: Solve for x
x = 4,755,961,817.13/98,699.42 - Step 6: Final answer
x = 48,186.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.