Finding the Fourth Proportional to 86,264.74, 129,395.82 and 27,103.96
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Solution
The fourth proportional to 86,264.74, 129,395.82 and 27,103.96 is: 40,655.53
Step by Step Solution
- Step 1: Write the proportion equation
86,264.74 : 129,395.82 = 27,103.96 : x - Step 2: Convert to fraction form
86,264.74/129,395.82 = 27,103.96/x - Step 3: Cross multiply
86,264.74x = 129,395.82 × 27,103.96 - Step 4: Simplify right side
86,264.74x = 3,507,139,129.45 - Step 5: Solve for x
x = 3,507,139,129.45/86,264.74 - Step 6: Final answer
x = 40,655.53
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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.