Finding the Fourth Proportional to 71,226.13, 106,875.64 and 29,137.31
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Solution
The fourth proportional to 71,226.13, 106,875.64 and 29,137.31 is: 43,720.88
Step by Step Solution
- Step 1: Write the proportion equation
71,226.13 : 106,875.64 = 29,137.31 : x - Step 2: Convert to fraction form
71,226.13/106,875.64 = 29,137.31/x - Step 3: Cross multiply
71,226.13x = 106,875.64 × 29,137.31 - Step 4: Simplify right side
71,226.13x = 3,114,068,921.32 - Step 5: Solve for x
x = 3,114,068,921.32/71,226.13 - Step 6: Final answer
x = 43,720.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.