Finding the Fourth Proportional to 77,308.41, 115,960.79 and 24,718.35
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Solution
The fourth proportional to 77,308.41, 115,960.79 and 24,718.35 is: 37,076.94
Step by Step Solution
- Step 1: Write the proportion equation
77,308.41 : 115,960.79 = 24,718.35 : x - Step 2: Convert to fraction form
77,308.41/115,960.79 = 24,718.35/x - Step 3: Cross multiply
77,308.41x = 115,960.79 × 24,718.35 - Step 4: Simplify right side
77,308.41x = 2,866,359,455.29 - Step 5: Solve for x
x = 2,866,359,455.29/77,308.41 - Step 6: Final answer
x = 37,076.94
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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.