Finding the Fourth Proportional to 89,627.28, 134,409.57 and 26,430.63
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Solution
The fourth proportional to 89,627.28, 134,409.57 and 26,430.63 is: 39,636.70
Step by Step Solution
- Step 1: Write the proportion equation
89,627.28 : 134,409.57 = 26,430.63 : x - Step 2: Convert to fraction form
89,627.28/134,409.57 = 26,430.63/x - Step 3: Cross multiply
89,627.28x = 134,409.57 × 26,430.63 - Step 4: Simplify right side
89,627.28x = 3,552,529,613.13 - Step 5: Solve for x
x = 3,552,529,613.13/89,627.28 - Step 6: Final answer
x = 39,636.70
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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.