Finding the Fourth Proportional to 79,862.72, 119,804.88 and 27,258.08
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Solution
The fourth proportional to 79,862.72, 119,804.88 and 27,258.08 is: 40,890.81
Step by Step Solution
- Step 1: Write the proportion equation
79,862.72 : 119,804.88 = 27,258.08 : x - Step 2: Convert to fraction form
79,862.72/119,804.88 = 27,258.08/x - Step 3: Cross multiply
79,862.72x = 119,804.88 × 27,258.08 - Step 4: Simplify right side
79,862.72x = 3,265,651,003.43 - Step 5: Solve for x
x = 3,265,651,003.43/79,862.72 - Step 6: Final answer
x = 40,890.81
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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.