Finding the Fourth Proportional to 89,416.08, 134,124.92 and 30,252.08
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Solution
The fourth proportional to 89,416.08, 134,124.92 and 30,252.08 is: 45,378.39
Step by Step Solution
- Step 1: Write the proportion equation
89,416.08 : 134,124.92 = 30,252.08 : x - Step 2: Convert to fraction form
89,416.08/134,124.92 = 30,252.08/x - Step 3: Cross multiply
89,416.08x = 134,124.92 × 30,252.08 - Step 4: Simplify right side
89,416.08x = 4,057,557,809.83 - Step 5: Solve for x
x = 4,057,557,809.83/89,416.08 - Step 6: Final answer
x = 45,378.39
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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.