Finding the Fourth Proportional to 79,971.11, 110,360.16 and 44,163.55
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Solution
The fourth proportional to 79,971.11, 110,360.16 and 44,163.55 is: 60,945.71
Step by Step Solution
- Step 1: Write the proportion equation
79,971.11 : 110,360.16 = 44,163.55 : x - Step 2: Convert to fraction form
79,971.11/110,360.16 = 44,163.55/x - Step 3: Cross multiply
79,971.11x = 110,360.16 × 44,163.55 - Step 4: Simplify right side
79,971.11x = 4,873,896,168.27 - Step 5: Solve for x
x = 4,873,896,168.27/79,971.11 - Step 6: Final answer
x = 60,945.71
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1.5x scale
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.