Finding the Fourth Proportional to 98,231.04, 135,559.68 and 53,521.92
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Solution
The fourth proportional to 98,231.04, 135,559.68 and 53,521.92 is: 73,860.71
Step by Step Solution
- Step 1: Write the proportion equation
98,231.04 : 135,559.68 = 53,521.92 : x - Step 2: Convert to fraction form
98,231.04/135,559.68 = 53,521.92/x - Step 3: Cross multiply
98,231.04x = 135,559.68 × 53,521.92 - Step 4: Simplify right side
98,231.04x = 7,255,414,348.19 - Step 5: Solve for x
x = 7,255,414,348.19/98,231.04 - Step 6: Final answer
x = 73,860.71
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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.