Finding the Fourth Proportional to 76,903.56, 106,129.44 and 44,635.68
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Solution
The fourth proportional to 76,903.56, 106,129.44 and 44,635.68 is: 61,598.71
Step by Step Solution
- Step 1: Write the proportion equation
76,903.56 : 106,129.44 = 44,635.68 : x - Step 2: Convert to fraction form
76,903.56/106,129.44 = 44,635.68/x - Step 3: Cross multiply
76,903.56x = 106,129.44 × 44,635.68 - Step 4: Simplify right side
76,903.56x = 4,737,159,722.42 - Step 5: Solve for x
x = 4,737,159,722.42/76,903.56 - Step 6: Final answer
x = 61,598.71
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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.