Finding the Fourth Proportional to 77,246.99, 115,776.92 and 32,780.33
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Solution
The fourth proportional to 77,246.99, 115,776.92 and 32,780.33 is: 49,130.79
Step by Step Solution
- Step 1: Write the proportion equation
77,246.99 : 115,776.92 = 32,780.33 : x - Step 2: Convert to fraction form
77,246.99/115,776.92 = 32,780.33/x - Step 3: Cross multiply
77,246.99x = 115,776.92 × 32,780.33 - Step 4: Simplify right side
77,246.99x = 3,795,205,643.98 - Step 5: Solve for x
x = 3,795,205,643.98/77,246.99 - Step 6: Final answer
x = 49,130.79
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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.