Finding the Fourth Proportional to 91,530.24, 126,309.96 and 51,244.08
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Solution
The fourth proportional to 91,530.24, 126,309.96 and 51,244.08 is: 70,715.84
Step by Step Solution
- Step 1: Write the proportion equation
91,530.24 : 126,309.96 = 51,244.08 : x - Step 2: Convert to fraction form
91,530.24/126,309.96 = 51,244.08/x - Step 3: Cross multiply
91,530.24x = 126,309.96 × 51,244.08 - Step 4: Simplify right side
91,530.24x = 6,472,637,695.04 - Step 5: Solve for x
x = 6,472,637,695.04/91,530.24 - Step 6: Final answer
x = 70,715.84
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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.