Finding the Fourth Proportional to 79,408.90, 119,111.83 and 32,022.99
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Solution
The fourth proportional to 79,408.90, 119,111.83 and 32,022.99 is: 48,033.87
Step by Step Solution
- Step 1: Write the proportion equation
79,408.90 : 119,111.83 = 32,022.99 : x - Step 2: Convert to fraction form
79,408.90/119,111.83 = 32,022.99/x - Step 3: Cross multiply
79,408.90x = 119,111.83 × 32,022.99 - Step 4: Simplify right side
79,408.90x = 3,814,316,860.91 - Step 5: Solve for x
x = 3,814,316,860.91/79,408.90 - Step 6: Final answer
x = 48,033.87
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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.