Finding the Fourth Proportional to 86,703.26, 119,707.61 and 58,059.63
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Solution
The fourth proportional to 86,703.26, 119,707.61 and 58,059.63 is: 80,160.53
Step by Step Solution
- Step 1: Write the proportion equation
86,703.26 : 119,707.61 = 58,059.63 : x - Step 2: Convert to fraction form
86,703.26/119,707.61 = 58,059.63/x - Step 3: Cross multiply
86,703.26x = 119,707.61 × 58,059.63 - Step 4: Simplify right side
86,703.26x = 6,950,179,254.49 - Step 5: Solve for x
x = 6,950,179,254.49/86,703.26 - Step 6: Final answer
x = 80,160.53
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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.