Finding the Fourth Proportional to 77,211.24, 115,787.70 and 32,858.88
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Solution
The fourth proportional to 77,211.24, 115,787.70 and 32,858.88 is: 49,275.91
Step by Step Solution
- Step 1: Write the proportion equation
77,211.24 : 115,787.70 = 32,858.88 : x - Step 2: Convert to fraction form
77,211.24/115,787.70 = 32,858.88/x - Step 3: Cross multiply
77,211.24x = 115,787.70 × 32,858.88 - Step 4: Simplify right side
77,211.24x = 3,804,654,139.78 - Step 5: Solve for x
x = 3,804,654,139.78/77,211.24 - Step 6: Final answer
x = 49,275.91
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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.