Finding the Fourth Proportional to 97,087.92, 133,985.64 and 54,649.20
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Solution
The fourth proportional to 97,087.92, 133,985.64 and 54,649.20 is: 75,418.32
Step by Step Solution
- Step 1: Write the proportion equation
97,087.92 : 133,985.64 = 54,649.20 : x - Step 2: Convert to fraction form
97,087.92/133,985.64 = 54,649.20/x - Step 3: Cross multiply
97,087.92x = 133,985.64 × 54,649.20 - Step 4: Simplify right side
97,087.92x = 7,322,208,037.49 - Step 5: Solve for x
x = 7,322,208,037.49/97,087.92 - Step 6: Final answer
x = 75,418.32
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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.