Finding the Fourth Proportional to 124,573.87, 186,749.70 and 45,669.70
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Solution
The fourth proportional to 124,573.87, 186,749.70 and 45,669.70 is: 68,463.82
Step by Step Solution
- Step 1: Write the proportion equation
124,573.87 : 186,749.70 = 45,669.70 : x - Step 2: Convert to fraction form
124,573.87/186,749.70 = 45,669.70/x - Step 3: Cross multiply
124,573.87x = 186,749.70 × 45,669.70 - Step 4: Simplify right side
124,573.87x = 8,528,802,774.09 - Step 5: Solve for x
x = 8,528,802,774.09/124,573.87 - Step 6: Final answer
x = 68,463.82
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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.