Finding the Fourth Proportional to 86,534.16, 129,754.92 and 26,552.08
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Solution
The fourth proportional to 86,534.16, 129,754.92 and 26,552.08 is: 39,813.91
Step by Step Solution
- Step 1: Write the proportion equation
86,534.16 : 129,754.92 = 26,552.08 : x - Step 2: Convert to fraction form
86,534.16/129,754.92 = 26,552.08/x - Step 3: Cross multiply
86,534.16x = 129,754.92 × 26,552.08 - Step 4: Simplify right side
86,534.16x = 3,445,263,016.23 - Step 5: Solve for x
x = 3,445,263,016.23/86,534.16 - Step 6: Final answer
x = 39,813.91
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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.