Finding the Fourth Proportional to 76,938.46, 115,396.12 and 24,341.10
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Solution
The fourth proportional to 76,938.46, 115,396.12 and 24,341.10 is: 36,507.99
Step by Step Solution
- Step 1: Write the proportion equation
76,938.46 : 115,396.12 = 24,341.10 : x - Step 2: Convert to fraction form
76,938.46/115,396.12 = 24,341.10/x - Step 3: Cross multiply
76,938.46x = 115,396.12 × 24,341.10 - Step 4: Simplify right side
76,938.46x = 2,808,868,496.53 - Step 5: Solve for x
x = 2,808,868,496.53/76,938.46 - Step 6: Final answer
x = 36,507.99
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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.