Finding the Fourth Proportional to 90,207.53, 124,483.31 and 49,922.99
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Solution
The fourth proportional to 90,207.53, 124,483.31 and 49,922.99 is: 68,892.02
Step by Step Solution
- Step 1: Write the proportion equation
90,207.53 : 124,483.31 = 49,922.99 : x - Step 2: Convert to fraction form
90,207.53/124,483.31 = 49,922.99/x - Step 3: Cross multiply
90,207.53x = 124,483.31 × 49,922.99 - Step 4: Simplify right side
90,207.53x = 6,214,578,542.69 - Step 5: Solve for x
x = 6,214,578,542.69/90,207.53 - Step 6: Final answer
x = 68,892.02
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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.