Finding the Fourth Proportional to 87,085.13, 130,649.63 and 24,755.63
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Solution
The fourth proportional to 87,085.13, 130,649.63 and 24,755.63 is: 37,139.68
Step by Step Solution
- Step 1: Write the proportion equation
87,085.13 : 130,649.63 = 24,755.63 : x - Step 2: Convert to fraction form
87,085.13/130,649.63 = 24,755.63/x - Step 3: Cross multiply
87,085.13x = 130,649.63 × 24,755.63 - Step 4: Simplify right side
87,085.13x = 3,234,313,331.77 - Step 5: Solve for x
x = 3,234,313,331.77/87,085.13 - Step 6: Final answer
x = 37,139.68
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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.