Finding the Fourth Proportional to 84,006.94, 125,966.64 and 39,621.76
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Solution
The fourth proportional to 84,006.94, 125,966.64 and 39,621.76 is: 59,412.00
Step by Step Solution
- Step 1: Write the proportion equation
84,006.94 : 125,966.64 = 39,621.76 : x - Step 2: Convert to fraction form
84,006.94/125,966.64 = 39,621.76/x - Step 3: Cross multiply
84,006.94x = 125,966.64 × 39,621.76 - Step 4: Simplify right side
84,006.94x = 4,991,019,978.09 - Step 5: Solve for x
x = 4,991,019,978.09/84,006.94 - Step 6: Final answer
x = 59,412.00
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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.