Finding the Fourth Proportional to 89,718.26, 134,603.69 and 26,540.04
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Solution
The fourth proportional to 89,718.26, 134,603.69 and 26,540.04 is: 39,817.84
Step by Step Solution
- Step 1: Write the proportion equation
89,718.26 : 134,603.69 = 26,540.04 : x - Step 2: Convert to fraction form
89,718.26/134,603.69 = 26,540.04/x - Step 3: Cross multiply
89,718.26x = 134,603.69 × 26,540.04 - Step 4: Simplify right side
89,718.26x = 3,572,387,184.05 - Step 5: Solve for x
x = 3,572,387,184.05/89,718.26 - Step 6: Final answer
x = 39,817.84
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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.