Finding the Fourth Proportional to 89,045.04, 122,634.36 and 68,827.44
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Solution
The fourth proportional to 89,045.04, 122,634.36 and 68,827.44 is: 94,790.33
Step by Step Solution
- Step 1: Write the proportion equation
89,045.04 : 122,634.36 = 68,827.44 : x - Step 2: Convert to fraction form
89,045.04/122,634.36 = 68,827.44/x - Step 3: Cross multiply
89,045.04x = 122,634.36 × 68,827.44 - Step 4: Simplify right side
89,045.04x = 8,440,609,054.84 - Step 5: Solve for x
x = 8,440,609,054.84/89,045.04 - Step 6: Final answer
x = 94,790.33
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1.5x scale
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.