Finding the Fourth Proportional to 79,558.29, 109,790.83 and 43,750.62
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Solution
The fourth proportional to 79,558.29, 109,790.83 and 43,750.62 is: 60,376.07
Step by Step Solution
- Step 1: Write the proportion equation
79,558.29 : 109,790.83 = 43,750.62 : x - Step 2: Convert to fraction form
79,558.29/109,790.83 = 43,750.62/x - Step 3: Cross multiply
79,558.29x = 109,790.83 × 43,750.62 - Step 4: Simplify right side
79,558.29x = 4,803,416,773.44 - Step 5: Solve for x
x = 4,803,416,773.44/79,558.29 - Step 6: Final answer
x = 60,376.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.