Finding the Fourth Proportional to 79,290.44, 118,955.50 and 55,962.44
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Solution
The fourth proportional to 79,290.44, 118,955.50 and 55,962.44 is: 83,957.66
Step by Step Solution
- Step 1: Write the proportion equation
79,290.44 : 118,955.50 = 55,962.44 : x - Step 2: Convert to fraction form
79,290.44/118,955.50 = 55,962.44/x - Step 3: Cross multiply
79,290.44x = 118,955.50 × 55,962.44 - Step 4: Simplify right side
79,290.44x = 6,657,040,031.42 - Step 5: Solve for x
x = 6,657,040,031.42/79,290.44 - Step 6: Final answer
x = 83,957.66
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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.