Finding the Fourth Proportional to 74,798.07, 112,203.27 and 53,835.68
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Solution
The fourth proportional to 74,798.07, 112,203.27 and 53,835.68 is: 80,757.95
Step by Step Solution
- Step 1: Write the proportion equation
74,798.07 : 112,203.27 = 53,835.68 : x - Step 2: Convert to fraction form
74,798.07/112,203.27 = 53,835.68/x - Step 3: Cross multiply
74,798.07x = 112,203.27 × 53,835.68 - Step 4: Simplify right side
74,798.07x = 6,040,538,777.66 - Step 5: Solve for x
x = 6,040,538,777.66/74,798.07 - Step 6: Final answer
x = 80,757.95
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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.