Finding the Fourth Proportional to 79,363.92, 118,987.50 and 37,840.08
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Solution
The fourth proportional to 79,363.92, 118,987.50 and 37,840.08 is: 56,732.28
Step by Step Solution
- Step 1: Write the proportion equation
79,363.92 : 118,987.50 = 37,840.08 : x - Step 2: Convert to fraction form
79,363.92/118,987.50 = 37,840.08/x - Step 3: Cross multiply
79,363.92x = 118,987.50 × 37,840.08 - Step 4: Simplify right side
79,363.92x = 4,502,496,519 - Step 5: Solve for x
x = 4,502,496,519/79,363.92 - Step 6: Final answer
x = 56,732.28
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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.