Finding the Fourth Proportional to 71,267.77, 106,688.68 and 43,102.63
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Solution
The fourth proportional to 71,267.77, 106,688.68 and 43,102.63 is: 64,525.14
Step by Step Solution
- Step 1: Write the proportion equation
71,267.77 : 106,688.68 = 43,102.63 : x - Step 2: Convert to fraction form
71,267.77/106,688.68 = 43,102.63/x - Step 3: Cross multiply
71,267.77x = 106,688.68 × 43,102.63 - Step 4: Simplify right side
71,267.77x = 4,598,562,699.23 - Step 5: Solve for x
x = 4,598,562,699.23/71,267.77 - Step 6: Final answer
x = 64,525.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.