Finding the Fourth Proportional to 79,334.18, 118,889.35 and 43,811.49
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Solution
The fourth proportional to 79,334.18, 118,889.35 and 43,811.49 is: 65,655.43
Step by Step Solution
- Step 1: Write the proportion equation
79,334.18 : 118,889.35 = 43,811.49 : x - Step 2: Convert to fraction form
79,334.18/118,889.35 = 43,811.49/x - Step 3: Cross multiply
79,334.18x = 118,889.35 × 43,811.49 - Step 4: Simplify right side
79,334.18x = 5,208,719,459.10 - Step 5: Solve for x
x = 5,208,719,459.10/79,334.18 - Step 6: Final answer
x = 65,655.43
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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.