Finding the Fourth Proportional to 85,927.50, 118,580.76 and 48,202.56
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Solution
The fourth proportional to 85,927.50, 118,580.76 and 48,202.56 is: 66,519.99
Step by Step Solution
- Step 1: Write the proportion equation
85,927.50 : 118,580.76 = 48,202.56 : x - Step 2: Convert to fraction form
85,927.50/118,580.76 = 48,202.56/x - Step 3: Cross multiply
85,927.50x = 118,580.76 × 48,202.56 - Step 4: Simplify right side
85,927.50x = 5,715,896,198.75 - Step 5: Solve for x
x = 5,715,896,198.75/85,927.50 - Step 6: Final answer
x = 66,519.99
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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.