Finding the Fourth Proportional to 79,377.08, 119,069.28 and 26,787.04
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Solution
The fourth proportional to 79,377.08, 119,069.28 and 26,787.04 is: 40,181.80
Step by Step Solution
- Step 1: Write the proportion equation
79,377.08 : 119,069.28 = 26,787.04 : x - Step 2: Convert to fraction form
79,377.08/119,069.28 = 26,787.04/x - Step 3: Cross multiply
79,377.08x = 119,069.28 × 26,787.04 - Step 4: Simplify right side
79,377.08x = 3,189,513,566.13 - Step 5: Solve for x
x = 3,189,513,566.13/79,377.08 - Step 6: Final answer
x = 40,181.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.