Finding the Fourth Proportional to 86,655.98, 129,988.58 and 27,496.28
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Solution
The fourth proportional to 86,655.98, 129,988.58 and 27,496.28 is: 41,245.88
Step by Step Solution
- Step 1: Write the proportion equation
86,655.98 : 129,988.58 = 27,496.28 : x - Step 2: Convert to fraction form
86,655.98/129,988.58 = 27,496.28/x - Step 3: Cross multiply
86,655.98x = 129,988.58 × 27,496.28 - Step 4: Simplify right side
86,655.98x = 3,574,201,605.06 - Step 5: Solve for x
x = 3,574,201,605.06/86,655.98 - Step 6: Final answer
x = 41,245.88
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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.