Finding the Fourth Proportional to 79,813.62, 110,142.18 and 44,005.14
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Solution
The fourth proportional to 79,813.62, 110,142.18 and 44,005.14 is: 60,726.75
Step by Step Solution
- Step 1: Write the proportion equation
79,813.62 : 110,142.18 = 44,005.14 : x - Step 2: Convert to fraction form
79,813.62/110,142.18 = 44,005.14/x - Step 3: Cross multiply
79,813.62x = 110,142.18 × 44,005.14 - Step 4: Simplify right side
79,813.62x = 4,846,822,050.81 - Step 5: Solve for x
x = 4,846,822,050.81/79,813.62 - Step 6: Final answer
x = 60,726.75
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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.