Finding the Fourth Proportional to 72,809.54, 109,214.21 and 22,893.99
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Solution
The fourth proportional to 72,809.54, 109,214.21 and 22,893.99 is: 34,340.95
Step by Step Solution
- Step 1: Write the proportion equation
72,809.54 : 109,214.21 = 22,893.99 : x - Step 2: Convert to fraction form
72,809.54/109,214.21 = 22,893.99/x - Step 3: Cross multiply
72,809.54x = 109,214.21 × 22,893.99 - Step 4: Simplify right side
72,809.54x = 2,500,348,917.13 - Step 5: Solve for x
x = 2,500,348,917.13/72,809.54 - Step 6: Final answer
x = 34,340.95
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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.