Finding the Fourth Proportional to 80,331.66, 110,880.63 and 48,502.71
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Solution
The fourth proportional to 80,331.66, 110,880.63 and 48,502.71 is: 66,947.59
Step by Step Solution
- Step 1: Write the proportion equation
80,331.66 : 110,880.63 = 48,502.71 : x - Step 2: Convert to fraction form
80,331.66/110,880.63 = 48,502.71/x - Step 3: Cross multiply
80,331.66x = 110,880.63 × 48,502.71 - Step 4: Simplify right side
80,331.66x = 5,378,011,041.51 - Step 5: Solve for x
x = 5,378,011,041.51/80,331.66 - Step 6: Final answer
x = 66,947.59
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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.