Finding the Fourth Proportional to 98,093.62, 135,373.65 and 57,809.08
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Solution
The fourth proportional to 98,093.62, 135,373.65 and 57,809.08 is: 79,779.15
Step by Step Solution
- Step 1: Write the proportion equation
98,093.62 : 135,373.65 = 57,809.08 : x - Step 2: Convert to fraction form
98,093.62/135,373.65 = 57,809.08/x - Step 3: Cross multiply
98,093.62x = 135,373.65 × 57,809.08 - Step 4: Simplify right side
98,093.62x = 7,825,825,873.70 - Step 5: Solve for x
x = 7,825,825,873.70/98,093.62 - Step 6: Final answer
x = 79,779.15
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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.