Finding the Fourth Proportional to 91,192.08, 136,536.21 and 46,723.08
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Solution
The fourth proportional to 91,192.08, 136,536.21 and 46,723.08 is: 69,955.55
Step by Step Solution
- Step 1: Write the proportion equation
91,192.08 : 136,536.21 = 46,723.08 : x - Step 2: Convert to fraction form
91,192.08/136,536.21 = 46,723.08/x - Step 3: Cross multiply
91,192.08x = 136,536.21 × 46,723.08 - Step 4: Simplify right side
91,192.08x = 6,379,392,262.73 - Step 5: Solve for x
x = 6,379,392,262.73/91,192.08 - Step 6: Final answer
x = 69,955.55
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1.5x scale
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.