Finding the Fourth Proportional to 88,471.88, 122,089.36 and 48,186.36
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Solution
The fourth proportional to 88,471.88, 122,089.36 and 48,186.36 is: 66,496.18
Step by Step Solution
- Step 1: Write the proportion equation
88,471.88 : 122,089.36 = 48,186.36 : x - Step 2: Convert to fraction form
88,471.88/122,089.36 = 48,186.36/x - Step 3: Cross multiply
88,471.88x = 122,089.36 × 48,186.36 - Step 4: Simplify right side
88,471.88x = 5,883,041,853.13 - Step 5: Solve for x
x = 5,883,041,853.13/88,471.88 - Step 6: Final answer
x = 66,496.18
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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.