Finding the Fourth Proportional to 77,012.49, 115,529.68 and 23,708.92
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Solution
The fourth proportional to 77,012.49, 115,529.68 and 23,708.92 is: 35,566.75
Step by Step Solution
- Step 1: Write the proportion equation
77,012.49 : 115,529.68 = 23,708.92 : x - Step 2: Convert to fraction form
77,012.49/115,529.68 = 23,708.92/x - Step 3: Cross multiply
77,012.49x = 115,529.68 × 23,708.92 - Step 4: Simplify right side
77,012.49x = 2,739,083,940.75 - Step 5: Solve for x
x = 2,739,083,940.75/77,012.49 - Step 6: Final answer
x = 35,566.75
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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.