Finding the Fourth Proportional to 89,047.04, 122,637.12 and 68,829.44
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Solution
The fourth proportional to 89,047.04, 122,637.12 and 68,829.44 is: 94,793.09
Step by Step Solution
- Step 1: Write the proportion equation
89,047.04 : 122,637.12 = 68,829.44 : x - Step 2: Convert to fraction form
89,047.04/122,637.12 = 68,829.44/x - Step 3: Cross multiply
89,047.04x = 122,637.12 × 68,829.44 - Step 4: Simplify right side
89,047.04x = 8,441,044,292.81 - Step 5: Solve for x
x = 8,441,044,292.81/89,047.04 - Step 6: Final answer
x = 94,793.09
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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.