Finding the Fourth Proportional to 98,043.44, 135,298.68 and 53,331.44
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Solution
The fourth proportional to 98,043.44, 135,298.68 and 53,331.44 is: 73,596.70
Step by Step Solution
- Step 1: Write the proportion equation
98,043.44 : 135,298.68 = 53,331.44 : x - Step 2: Convert to fraction form
98,043.44/135,298.68 = 53,331.44/x - Step 3: Cross multiply
98,043.44x = 135,298.68 × 53,331.44 - Step 4: Simplify right side
98,043.44x = 7,215,673,434.50 - Step 5: Solve for x
x = 7,215,673,434.50/98,043.44 - Step 6: Final answer
x = 73,596.70
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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.