Finding the Fourth Proportional to 86,437.26, 129,655.91 and 27,277.54
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Solution
The fourth proportional to 86,437.26, 129,655.91 and 27,277.54 is: 40,916.32
Step by Step Solution
- Step 1: Write the proportion equation
86,437.26 : 129,655.91 = 27,277.54 : x - Step 2: Convert to fraction form
86,437.26/129,655.91 = 27,277.54/x - Step 3: Cross multiply
86,437.26x = 129,655.91 × 27,277.54 - Step 4: Simplify right side
86,437.26x = 3,536,694,271.26 - Step 5: Solve for x
x = 3,536,694,271.26/86,437.26 - Step 6: Final answer
x = 40,916.32
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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.