Finding the Fourth Proportional to 97,759.92, 146,642.43 and 31,199.96
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Solution
The fourth proportional to 97,759.92, 146,642.43 and 31,199.96 is: 46,800.75
Step by Step Solution
- Step 1: Write the proportion equation
97,759.92 : 146,642.43 = 31,199.96 : x - Step 2: Convert to fraction form
97,759.92/146,642.43 = 31,199.96/x - Step 3: Cross multiply
97,759.92x = 146,642.43 × 31,199.96 - Step 4: Simplify right side
97,759.92x = 4,575,237,950.30 - Step 5: Solve for x
x = 4,575,237,950.30/97,759.92 - Step 6: Final answer
x = 46,800.75
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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.