Finding the Fourth Proportional to 76,885.47, 106,096.68 and 44,621.03
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Solution
The fourth proportional to 76,885.47, 106,096.68 and 44,621.03 is: 61,573.96
Step by Step Solution
- Step 1: Write the proportion equation
76,885.47 : 106,096.68 = 44,621.03 : x - Step 2: Convert to fraction form
76,885.47/106,096.68 = 44,621.03/x - Step 3: Cross multiply
76,885.47x = 106,096.68 × 44,621.03 - Step 4: Simplify right side
76,885.47x = 4,734,142,610.70 - Step 5: Solve for x
x = 4,734,142,610.70/76,885.47 - Step 6: Final answer
x = 61,573.96
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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.