Finding the Fourth Proportional to 76,579.58, 114,752.43 and 32,182.07
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Solution
The fourth proportional to 76,579.58, 114,752.43 and 32,182.07 is: 48,223.95
Step by Step Solution
- Step 1: Write the proportion equation
76,579.58 : 114,752.43 = 32,182.07 : x - Step 2: Convert to fraction form
76,579.58/114,752.43 = 32,182.07/x - Step 3: Cross multiply
76,579.58x = 114,752.43 × 32,182.07 - Step 4: Simplify right side
76,579.58x = 3,692,970,161.17 - Step 5: Solve for x
x = 3,692,970,161.17/76,579.58 - Step 6: Final answer
x = 48,223.95
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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.