Finding the Fourth Proportional to 75,354.09, 112,954.58 and 33,257.07
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Solution
The fourth proportional to 75,354.09, 112,954.58 and 33,257.07 is: 49,851.82
Step by Step Solution
- Step 1: Write the proportion equation
75,354.09 : 112,954.58 = 33,257.07 : x - Step 2: Convert to fraction form
75,354.09/112,954.58 = 33,257.07/x - Step 3: Cross multiply
75,354.09x = 112,954.58 × 33,257.07 - Step 4: Simplify right side
75,354.09x = 3,756,538,373.88 - Step 5: Solve for x
x = 3,756,538,373.88/75,354.09 - Step 6: Final answer
x = 49,851.82
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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.