Finding the Fourth Proportional to 96,723.09, 133,477.92 and 54,281.63
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Solution
The fourth proportional to 96,723.09, 133,477.92 and 54,281.63 is: 74,908.67
Step by Step Solution
- Step 1: Write the proportion equation
96,723.09 : 133,477.92 = 54,281.63 : x - Step 2: Convert to fraction form
96,723.09/133,477.92 = 54,281.63/x - Step 3: Cross multiply
96,723.09x = 133,477.92 × 54,281.63 - Step 4: Simplify right side
96,723.09x = 7,245,398,399.22 - Step 5: Solve for x
x = 7,245,398,399.22/96,723.09 - Step 6: Final answer
x = 74,908.67
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1.5x scale
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.