Finding the Fourth Proportional to 79,642.60, 119,482.36 and 27,052.12
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Solution
The fourth proportional to 79,642.60, 119,482.36 and 27,052.12 is: 40,584.45
Step by Step Solution
- Step 1: Write the proportion equation
79,642.60 : 119,482.36 = 27,052.12 : x - Step 2: Convert to fraction form
79,642.60/119,482.36 = 27,052.12/x - Step 3: Cross multiply
79,642.60x = 119,482.36 × 27,052.12 - Step 4: Simplify right side
79,642.60x = 3,232,251,140.60 - Step 5: Solve for x
x = 3,232,251,140.60/79,642.60 - Step 6: Final answer
x = 40,584.45
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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.