Finding the Fourth Proportional to 76,954.30, 115,430.19 and 24,363.70
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Solution
The fourth proportional to 76,954.30, 115,430.19 and 24,363.70 is: 36,545.15
Step by Step Solution
- Step 1: Write the proportion equation
76,954.30 : 115,430.19 = 24,363.70 : x - Step 2: Convert to fraction form
76,954.30/115,430.19 = 24,363.70/x - Step 3: Cross multiply
76,954.30x = 115,430.19 × 24,363.70 - Step 4: Simplify right side
76,954.30x = 2,812,306,520.10 - Step 5: Solve for x
x = 2,812,306,520.10/76,954.30 - Step 6: Final answer
x = 36,545.15
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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.