Finding the Fourth Proportional to 74,327.21, 102,538.06 and 44,113.80
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Solution
The fourth proportional to 74,327.21, 102,538.06 and 44,113.80 is: 60,857.17
Step by Step Solution
- Step 1: Write the proportion equation
74,327.21 : 102,538.06 = 44,113.80 : x - Step 2: Convert to fraction form
74,327.21/102,538.06 = 44,113.80/x - Step 3: Cross multiply
74,327.21x = 102,538.06 × 44,113.80 - Step 4: Simplify right side
74,327.21x = 4,523,343,360.94 - Step 5: Solve for x
x = 4,523,343,360.94/74,327.21 - Step 6: Final answer
x = 60,857.17
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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.