Finding the Fourth Proportional to 93,858.11, 129,533.48 and 53,577.92
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Solution
The fourth proportional to 93,858.11, 129,533.48 and 53,577.92 is: 73,942.84
Step by Step Solution
- Step 1: Write the proportion equation
93,858.11 : 129,533.48 = 53,577.92 : x - Step 2: Convert to fraction form
93,858.11/129,533.48 = 53,577.92/x - Step 3: Cross multiply
93,858.11x = 129,533.48 × 53,577.92 - Step 4: Simplify right side
93,858.11x = 6,940,134,685.62 - Step 5: Solve for x
x = 6,940,134,685.62/93,858.11 - Step 6: Final answer
x = 73,942.84
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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.