Finding the Fourth Proportional to 80,331.47, 110,854.41 and 44,522.09
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Solution
The fourth proportional to 80,331.47, 110,854.41 and 44,522.09 is: 61,438.81
Step by Step Solution
- Step 1: Write the proportion equation
80,331.47 : 110,854.41 = 44,522.09 : x - Step 2: Convert to fraction form
80,331.47/110,854.41 = 44,522.09/x - Step 3: Cross multiply
80,331.47x = 110,854.41 × 44,522.09 - Step 4: Simplify right side
80,331.47x = 4,935,470,018.92 - Step 5: Solve for x
x = 4,935,470,018.92/80,331.47 - Step 6: Final answer
x = 61,438.81
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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.