Finding the Fourth Proportional to 77,248.99, 115,779.92 and 32,782.33
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Solution
The fourth proportional to 77,248.99, 115,779.92 and 32,782.33 is: 49,133.79
Step by Step Solution
- Step 1: Write the proportion equation
77,248.99 : 115,779.92 = 32,782.33 : x - Step 2: Convert to fraction form
77,248.99/115,779.92 = 32,782.33/x - Step 3: Cross multiply
77,248.99x = 115,779.92 × 32,782.33 - Step 4: Simplify right side
77,248.99x = 3,795,535,544.81 - Step 5: Solve for x
x = 3,795,535,544.81/77,248.99 - Step 6: Final answer
x = 49,133.79
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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.