Finding the Fourth Proportional to 80,783.97, 111,479.70 and 44,973.99
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Solution
The fourth proportional to 80,783.97, 111,479.70 and 44,973.99 is: 62,062.90
Step by Step Solution
- Step 1: Write the proportion equation
80,783.97 : 111,479.70 = 44,973.99 : x - Step 2: Convert to fraction form
80,783.97/111,479.70 = 44,973.99/x - Step 3: Cross multiply
80,783.97x = 111,479.70 × 44,973.99 - Step 4: Simplify right side
80,783.97x = 5,013,687,081.66 - Step 5: Solve for x
x = 5,013,687,081.66/80,783.97 - Step 6: Final answer
x = 62,062.90
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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.