Finding the Fourth Proportional to 79,757.62, 119,455.08 and 61,844.74
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Solution
The fourth proportional to 79,757.62, 119,455.08 and 61,844.74 is: 92,626.49
Step by Step Solution
- Step 1: Write the proportion equation
79,757.62 : 119,455.08 = 61,844.74 : x - Step 2: Convert to fraction form
79,757.62/119,455.08 = 61,844.74/x - Step 3: Cross multiply
79,757.62x = 119,455.08 × 61,844.74 - Step 4: Simplify right side
79,757.62x = 7,387,668,364.28 - Step 5: Solve for x
x = 7,387,668,364.28/79,757.62 - Step 6: Final answer
x = 92,626.49
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1.5x scale
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.