Finding the Fourth Proportional to 85,777.44, 118,371.09 and 47,536.68
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Solution
The fourth proportional to 85,777.44, 118,371.09 and 47,536.68 is: 65,599.64
Step by Step Solution
- Step 1: Write the proportion equation
85,777.44 : 118,371.09 = 47,536.68 : x - Step 2: Convert to fraction form
85,777.44/118,371.09 = 47,536.68/x - Step 3: Cross multiply
85,777.44x = 118,371.09 × 47,536.68 - Step 4: Simplify right side
85,777.44x = 5,626,969,248.74 - Step 5: Solve for x
x = 5,626,969,248.74/85,777.44 - Step 6: Final answer
x = 65,599.64
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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.