Finding the Fourth Proportional to 96,095.96, 143,157.36 and 91,778.05
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Solution
The fourth proportional to 96,095.96, 143,157.36 and 91,778.05 is: 136,724.83
Step by Step Solution
- Step 1: Write the proportion equation
96,095.96 : 143,157.36 = 91,778.05 : x - Step 2: Convert to fraction form
96,095.96/143,157.36 = 91,778.05/x - Step 3: Cross multiply
96,095.96x = 143,157.36 × 91,778.05 - Step 4: Simplify right side
96,095.96x = 13,138,703,867.06 - Step 5: Solve for x
x = 13,138,703,867.06/96,095.96 - Step 6: Final answer
x = 136,724.83
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.