Finding the Fourth Proportional to 76,650.99, 114,962.97 and 23,330.13
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Solution
The fourth proportional to 76,650.99, 114,962.97 and 23,330.13 is: 34,991.08
Step by Step Solution
- Step 1: Write the proportion equation
76,650.99 : 114,962.97 = 23,330.13 : x - Step 2: Convert to fraction form
76,650.99/114,962.97 = 23,330.13/x - Step 3: Cross multiply
76,650.99x = 114,962.97 × 23,330.13 - Step 4: Simplify right side
76,650.99x = 2,682,101,035.29 - Step 5: Solve for x
x = 2,682,101,035.29/76,650.99 - Step 6: Final answer
x = 34,991.08
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Double scale
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1.5x scale
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.