Finding the Fourth Proportional to 80,703.36, 121,088.34 and 35,701.08
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Solution
The fourth proportional to 80,703.36, 121,088.34 and 35,701.08 is: 53,566.35
Step by Step Solution
- Step 1: Write the proportion equation
80,703.36 : 121,088.34 = 35,701.08 : x - Step 2: Convert to fraction form
80,703.36/121,088.34 = 35,701.08/x - Step 3: Cross multiply
80,703.36x = 121,088.34 × 35,701.08 - Step 4: Simplify right side
80,703.36x = 4,322,984,513.41 - Step 5: Solve for x
x = 4,322,984,513.41/80,703.36 - Step 6: Final answer
x = 53,566.35
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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.