Finding the Fourth Proportional to 76,545.90, 114,818.90 and 41,706.99
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Solution
The fourth proportional to 76,545.90, 114,818.90 and 41,706.99 is: 62,560.51
Step by Step Solution
- Step 1: Write the proportion equation
76,545.90 : 114,818.90 = 41,706.99 : x - Step 2: Convert to fraction form
76,545.90/114,818.90 = 41,706.99/x - Step 3: Cross multiply
76,545.90x = 114,818.90 × 41,706.99 - Step 4: Simplify right side
76,545.90x = 4,788,750,505.58 - Step 5: Solve for x
x = 4,788,750,505.58/76,545.90 - Step 6: Final answer
x = 62,560.51
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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.