Finding the Fourth Proportional to 79,968.93, 119,701.87 and 54,862.17
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Solution
The fourth proportional to 79,968.93, 119,701.87 and 54,862.17 is: 82,120.70
Step by Step Solution
- Step 1: Write the proportion equation
79,968.93 : 119,701.87 = 54,862.17 : x - Step 2: Convert to fraction form
79,968.93/119,701.87 = 54,862.17/x - Step 3: Cross multiply
79,968.93x = 119,701.87 × 54,862.17 - Step 4: Simplify right side
79,968.93x = 6,567,104,341.26 - Step 5: Solve for x
x = 6,567,104,341.26/79,968.93 - Step 6: Final answer
x = 82,120.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.