Finding the Fourth Proportional to 84,117.09, 126,156.15 and 24,938.49
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Solution
The fourth proportional to 84,117.09, 126,156.15 and 24,938.49 is: 37,401.96
Step by Step Solution
- Step 1: Write the proportion equation
84,117.09 : 126,156.15 = 24,938.49 : x - Step 2: Convert to fraction form
84,117.09/126,156.15 = 24,938.49/x - Step 3: Cross multiply
84,117.09x = 126,156.15 × 24,938.49 - Step 4: Simplify right side
84,117.09x = 3,146,143,885.21 - Step 5: Solve for x
x = 3,146,143,885.21/84,117.09 - Step 6: Final answer
x = 37,401.96
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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.