Finding the Fourth Proportional to 98,844.08, 136,405.08 and 53,522.60
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Solution
The fourth proportional to 98,844.08, 136,405.08 and 53,522.60 is: 73,861.32
Step by Step Solution
- Step 1: Write the proportion equation
98,844.08 : 136,405.08 = 53,522.60 : x - Step 2: Convert to fraction form
98,844.08/136,405.08 = 53,522.60/x - Step 3: Cross multiply
98,844.08x = 136,405.08 × 53,522.60 - Step 4: Simplify right side
98,844.08x = 7,300,753,852.78 - Step 5: Solve for x
x = 7,300,753,852.78/98,844.08 - Step 6: Final answer
x = 73,861.32
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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.