Finding the Fourth Proportional to 83,700.21, 125,536.43 and 27,541.02
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Solution
The fourth proportional to 83,700.21, 125,536.43 and 27,541.02 is: 41,306.96
Step by Step Solution
- Step 1: Write the proportion equation
83,700.21 : 125,536.43 = 27,541.02 : x - Step 2: Convert to fraction form
83,700.21/125,536.43 = 27,541.02/x - Step 3: Cross multiply
83,700.21x = 125,536.43 × 27,541.02 - Step 4: Simplify right side
83,700.21x = 3,457,401,191.65 - Step 5: Solve for x
x = 3,457,401,191.65/83,700.21 - Step 6: Final answer
x = 41,306.96
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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.