Finding the Fourth Proportional to 89,460.08, 134,203.08 and 27,135.92
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Solution
The fourth proportional to 89,460.08, 134,203.08 and 27,135.92 is: 40,707.81
Step by Step Solution
- Step 1: Write the proportion equation
89,460.08 : 134,203.08 = 27,135.92 : x - Step 2: Convert to fraction form
89,460.08/134,203.08 = 27,135.92/x - Step 3: Cross multiply
89,460.08x = 134,203.08 × 27,135.92 - Step 4: Simplify right side
89,460.08x = 3,641,724,042.63 - Step 5: Solve for x
x = 3,641,724,042.63/89,460.08 - Step 6: Final answer
x = 40,707.81
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1.5x scale
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.