Finding the Fourth Proportional to 98,926.68, 136,519.02 and 53,605.08
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Solution
The fourth proportional to 98,926.68, 136,519.02 and 53,605.08 is: 73,975.12
Step by Step Solution
- Step 1: Write the proportion equation
98,926.68 : 136,519.02 = 53,605.08 : x - Step 2: Convert to fraction form
98,926.68/136,519.02 = 53,605.08/x - Step 3: Cross multiply
98,926.68x = 136,519.02 × 53,605.08 - Step 4: Simplify right side
98,926.68x = 7,318,112,988.62 - Step 5: Solve for x
x = 7,318,112,988.62/98,926.68 - Step 6: Final answer
x = 73,975.12
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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.