Finding the Fourth Proportional to 75,383.44, 112,927.31 and 43,726.99
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Solution
The fourth proportional to 75,383.44, 112,927.31 and 43,726.99 is: 65,504.72
Step by Step Solution
- Step 1: Write the proportion equation
75,383.44 : 112,927.31 = 43,726.99 : x - Step 2: Convert to fraction form
75,383.44/112,927.31 = 43,726.99/x - Step 3: Cross multiply
75,383.44x = 112,927.31 × 43,726.99 - Step 4: Simplify right side
75,383.44x = 4,937,971,136.46 - Step 5: Solve for x
x = 4,937,971,136.46/75,383.44 - Step 6: Final answer
x = 65,504.72
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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.