Finding the Fourth Proportional to 79,971.36, 110,360.51 and 44,163.80
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Solution
The fourth proportional to 79,971.36, 110,360.51 and 44,163.80 is: 60,946.06
Step by Step Solution
- Step 1: Write the proportion equation
79,971.36 : 110,360.51 = 44,163.80 : x - Step 2: Convert to fraction form
79,971.36/110,360.51 = 44,163.80/x - Step 3: Cross multiply
79,971.36x = 110,360.51 × 44,163.80 - Step 4: Simplify right side
79,971.36x = 4,873,939,491.54 - Step 5: Solve for x
x = 4,873,939,491.54/79,971.36 - Step 6: Final answer
x = 60,946.06
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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.