Finding the Fourth Proportional to 80,302.50, 110,820.36 and 48,465.18
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Solution
The fourth proportional to 80,302.50, 110,820.36 and 48,465.18 is: 66,883.70
Step by Step Solution
- Step 1: Write the proportion equation
80,302.50 : 110,820.36 = 48,465.18 : x - Step 2: Convert to fraction form
80,302.50/110,820.36 = 48,465.18/x - Step 3: Cross multiply
80,302.50x = 110,820.36 × 48,465.18 - Step 4: Simplify right side
80,302.50x = 5,370,928,695.06 - Step 5: Solve for x
x = 5,370,928,695.06/80,302.50 - Step 6: Final answer
x = 66,883.70
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1.5x scale
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.