Finding the Fourth Proportional to 79,878.51, 110,226.92 and 44,069.13
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Solution
The fourth proportional to 79,878.51, 110,226.92 and 44,069.13 is: 60,812.40
Step by Step Solution
- Step 1: Write the proportion equation
79,878.51 : 110,226.92 = 44,069.13 : x - Step 2: Convert to fraction form
79,878.51/110,226.92 = 44,069.13/x - Step 3: Cross multiply
79,878.51x = 110,226.92 × 44,069.13 - Step 4: Simplify right side
79,878.51x = 4,857,604,246.63 - Step 5: Solve for x
x = 4,857,604,246.63/79,878.51 - Step 6: Final answer
x = 60,812.40
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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.