Finding the Fourth Proportional to 68,947.88, 103,427.79 and 19,027.99
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Solution
The fourth proportional to 68,947.88, 103,427.79 and 19,027.99 is: 28,543.62
Step by Step Solution
- Step 1: Write the proportion equation
68,947.88 : 103,427.79 = 19,027.99 : x - Step 2: Convert to fraction form
68,947.88/103,427.79 = 19,027.99/x - Step 3: Cross multiply
68,947.88x = 103,427.79 × 19,027.99 - Step 4: Simplify right side
68,947.88x = 1,968,022,341.56 - Step 5: Solve for x
x = 1,968,022,341.56/68,947.88 - Step 6: Final answer
x = 28,543.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.