Finding the Fourth Proportional to 102,726.72, 141,720.66 and 62,433.99
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Solution
The fourth proportional to 102,726.72, 141,720.66 and 62,433.99 is: 86,133.25
Step by Step Solution
- Step 1: Write the proportion equation
102,726.72 : 141,720.66 = 62,433.99 : x - Step 2: Convert to fraction form
102,726.72/141,720.66 = 62,433.99/x - Step 3: Cross multiply
102,726.72x = 141,720.66 × 62,433.99 - Step 4: Simplify right side
102,726.72x = 8,848,186,269.23 - Step 5: Solve for x
x = 8,848,186,269.23/102,726.72 - Step 6: Final answer
x = 86,133.25
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.