Finding the Fourth Proportional to 75,666.15, 104,305.22 and 62,214.08
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Solution
The fourth proportional to 75,666.15, 104,305.22 and 62,214.08 is: 85,761.63
Step by Step Solution
- Step 1: Write the proportion equation
75,666.15 : 104,305.22 = 62,214.08 : x - Step 2: Convert to fraction form
75,666.15/104,305.22 = 62,214.08/x - Step 3: Cross multiply
75,666.15x = 104,305.22 × 62,214.08 - Step 4: Simplify right side
75,666.15x = 6,489,252,702.20 - Step 5: Solve for x
x = 6,489,252,702.20/75,666.15 - Step 6: Final answer
x = 85,761.63
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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.