Finding the Fourth Proportional to 92,436.63, 138,682.80 and 39,101.17
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Solution
The fourth proportional to 92,436.63, 138,682.80 and 39,101.17 is: 58,663.53
Step by Step Solution
- Step 1: Write the proportion equation
92,436.63 : 138,682.80 = 39,101.17 : x - Step 2: Convert to fraction form
92,436.63/138,682.80 = 39,101.17/x - Step 3: Cross multiply
92,436.63x = 138,682.80 × 39,101.17 - Step 4: Simplify right side
92,436.63x = 5,422,659,292.22 - Step 5: Solve for x
x = 5,422,659,292.22/92,436.63 - Step 6: Final answer
x = 58,663.53
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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.