Finding the Fourth Proportional to 75,263.13, 103,851.32 and 43,425.95
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Solution
The fourth proportional to 75,263.13, 103,851.32 and 43,425.95 is: 59,920.99
Step by Step Solution
- Step 1: Write the proportion equation
75,263.13 : 103,851.32 = 43,425.95 : x - Step 2: Convert to fraction form
75,263.13/103,851.32 = 43,425.95/x - Step 3: Cross multiply
75,263.13x = 103,851.32 × 43,425.95 - Step 4: Simplify right side
75,263.13x = 4,509,841,493.37 - Step 5: Solve for x
x = 4,509,841,493.37/75,263.13 - Step 6: Final answer
x = 59,920.99
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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.