Finding the Fourth Proportional to 76,519.20, 105,566.26 and 44,247.88
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Solution
The fourth proportional to 76,519.20, 105,566.26 and 44,247.88 is: 61,044.59
Step by Step Solution
- Step 1: Write the proportion equation
76,519.20 : 105,566.26 = 44,247.88 : x - Step 2: Convert to fraction form
76,519.20/105,566.26 = 44,247.88/x - Step 3: Cross multiply
76,519.20x = 105,566.26 × 44,247.88 - Step 4: Simplify right side
76,519.20x = 4,671,083,204.53 - Step 5: Solve for x
x = 4,671,083,204.53/76,519.20 - Step 6: Final answer
x = 61,044.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.