Finding the Fourth Proportional to 71,190.08, 106,785.35 and 26,804.91
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Solution
The fourth proportional to 71,190.08, 106,785.35 and 26,804.91 is: 40,207.45
Step by Step Solution
- Step 1: Write the proportion equation
71,190.08 : 106,785.35 = 26,804.91 : x - Step 2: Convert to fraction form
71,190.08/106,785.35 = 26,804.91/x - Step 3: Cross multiply
71,190.08x = 106,785.35 × 26,804.91 - Step 4: Simplify right side
71,190.08x = 2,862,371,696.07 - Step 5: Solve for x
x = 2,862,371,696.07/71,190.08 - Step 6: Final answer
x = 40,207.45
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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.