Finding the Fourth Proportional to 98,925.68, 136,517.64 and 53,604.08
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Solution
The fourth proportional to 98,925.68, 136,517.64 and 53,604.08 is: 73,973.74
Step by Step Solution
- Step 1: Write the proportion equation
98,925.68 : 136,517.64 = 53,604.08 : x - Step 2: Convert to fraction form
98,925.68/136,517.64 = 53,604.08/x - Step 3: Cross multiply
98,925.68x = 136,517.64 × 53,604.08 - Step 4: Simplify right side
98,925.68x = 7,317,902,495.97 - Step 5: Solve for x
x = 7,317,902,495.97/98,925.68 - Step 6: Final answer
x = 73,973.74
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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.