Finding the Fourth Proportional to 79,443.84, 119,191.68 and 37,885.44
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Solution
The fourth proportional to 79,443.84, 119,191.68 and 37,885.44 is: 56,840.52
Step by Step Solution
- Step 1: Write the proportion equation
79,443.84 : 119,191.68 = 37,885.44 : x - Step 2: Convert to fraction form
79,443.84/119,191.68 = 37,885.44/x - Step 3: Cross multiply
79,443.84x = 119,191.68 × 37,885.44 - Step 4: Simplify right side
79,443.84x = 4,515,629,241.14 - Step 5: Solve for x
x = 4,515,629,241.14/79,443.84 - Step 6: Final answer
x = 56,840.52
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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.