Finding the Fourth Proportional to 77,312.88, 115,960.82 and 37,750.05
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Solution
The fourth proportional to 77,312.88, 115,960.82 and 37,750.05 is: 56,620.92
Step by Step Solution
- Step 1: Write the proportion equation
77,312.88 : 115,960.82 = 37,750.05 : x - Step 2: Convert to fraction form
77,312.88/115,960.82 = 37,750.05/x - Step 3: Cross multiply
77,312.88x = 115,960.82 × 37,750.05 - Step 4: Simplify right side
77,312.88x = 4,377,526,564.29 - Step 5: Solve for x
x = 4,377,526,564.29/77,312.88 - Step 6: Final answer
x = 56,620.92
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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.