Finding the Fourth Proportional to 97,936.28, 135,151.66 and 55,502.92
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Solution
The fourth proportional to 97,936.28, 135,151.66 and 55,502.92 is: 76,593.80
Step by Step Solution
- Step 1: Write the proportion equation
97,936.28 : 135,151.66 = 55,502.92 : x - Step 2: Convert to fraction form
97,936.28/135,151.66 = 55,502.92/x - Step 3: Cross multiply
97,936.28x = 135,151.66 × 55,502.92 - Step 4: Simplify right side
97,936.28x = 7,501,311,772.85 - Step 5: Solve for x
x = 7,501,311,772.85/97,936.28 - Step 6: Final answer
x = 76,593.80
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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.