Finding the Fourth Proportional to 86,377.23, 129,570.48 and 27,217.53
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Solution
The fourth proportional to 86,377.23, 129,570.48 and 27,217.53 is: 40,827.76
Step by Step Solution
- Step 1: Write the proportion equation
86,377.23 : 129,570.48 = 27,217.53 : x - Step 2: Convert to fraction form
86,377.23/129,570.48 = 27,217.53/x - Step 3: Cross multiply
86,377.23x = 129,570.48 × 27,217.53 - Step 4: Simplify right side
86,377.23x = 3,526,588,426.51 - Step 5: Solve for x
x = 3,526,588,426.51/86,377.23 - Step 6: Final answer
x = 40,827.76
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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.