Finding the Fourth Proportional to 80,312.79, 110,836.11 and 44,502.06
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Solution
The fourth proportional to 80,312.79, 110,836.11 and 44,502.06 is: 61,415.31
Step by Step Solution
- Step 1: Write the proportion equation
80,312.79 : 110,836.11 = 44,502.06 : x - Step 2: Convert to fraction form
80,312.79/110,836.11 = 44,502.06/x - Step 3: Cross multiply
80,312.79x = 110,836.11 × 44,502.06 - Step 4: Simplify right side
80,312.79x = 4,932,435,217.39 - Step 5: Solve for x
x = 4,932,435,217.39/80,312.79 - Step 6: Final answer
x = 61,415.31
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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.