Finding the Fourth Proportional to 70,871.13, 106,273.35 and 26,486.10
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Solution
The fourth proportional to 70,871.13, 106,273.35 and 26,486.10 is: 39,716.69
Step by Step Solution
- Step 1: Write the proportion equation
70,871.13 : 106,273.35 = 26,486.10 : x - Step 2: Convert to fraction form
70,871.13/106,273.35 = 26,486.10/x - Step 3: Cross multiply
70,871.13x = 106,273.35 × 26,486.10 - Step 4: Simplify right side
70,871.13x = 2,814,766,575.44 - Step 5: Solve for x
x = 2,814,766,575.44/70,871.13 - Step 6: Final answer
x = 39,716.69
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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.