Finding the Fourth Proportional to 74,772.06, 103,182.57 and 41,238.06
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Solution
The fourth proportional to 74,772.06, 103,182.57 and 41,238.06 is: 56,906.94
Step by Step Solution
- Step 1: Write the proportion equation
74,772.06 : 103,182.57 = 41,238.06 : x - Step 2: Convert to fraction form
74,772.06/103,182.57 = 41,238.06/x - Step 3: Cross multiply
74,772.06x = 103,182.57 × 41,238.06 - Step 4: Simplify right side
74,772.06x = 4,255,049,012.61 - Step 5: Solve for x
x = 4,255,049,012.61/74,772.06 - Step 6: Final answer
x = 56,906.94
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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.