Finding the Fourth Proportional to 98,919.22, 136,508.62 and 54,207.22
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Solution
The fourth proportional to 98,919.22, 136,508.62 and 54,207.22 is: 74,806.02
Step by Step Solution
- Step 1: Write the proportion equation
98,919.22 : 136,508.62 = 54,207.22 : x - Step 2: Convert to fraction form
98,919.22/136,508.62 = 54,207.22/x - Step 3: Cross multiply
98,919.22x = 136,508.62 × 54,207.22 - Step 4: Simplify right side
98,919.22x = 7,399,752,796.24 - Step 5: Solve for x
x = 7,399,752,796.24/98,919.22 - Step 6: Final answer
x = 74,806.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.