Finding the Fourth Proportional to 77,331.24, 116,014.12 and 24,743.88
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Solution
The fourth proportional to 77,331.24, 116,014.12 and 24,743.88 is: 37,121.34
Step by Step Solution
- Step 1: Write the proportion equation
77,331.24 : 116,014.12 = 24,743.88 : x - Step 2: Convert to fraction form
77,331.24/116,014.12 = 24,743.88/x - Step 3: Cross multiply
77,331.24x = 116,014.12 × 24,743.88 - Step 4: Simplify right side
77,331.24x = 2,870,639,463.59 - Step 5: Solve for x
x = 2,870,639,463.59/77,331.24 - Step 6: Final answer
x = 37,121.34
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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.