Finding the Fourth Proportional to 74,627.94, 102,811.35 and 51,927.95
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Solution
The fourth proportional to 74,627.94, 102,811.35 and 51,927.95 is: 71,538.66
Step by Step Solution
- Step 1: Write the proportion equation
74,627.94 : 102,811.35 = 51,927.95 : x - Step 2: Convert to fraction form
74,627.94/102,811.35 = 51,927.95/x - Step 3: Cross multiply
74,627.94x = 102,811.35 × 51,927.95 - Step 4: Simplify right side
74,627.94x = 5,338,783,093.99 - Step 5: Solve for x
x = 5,338,783,093.99/74,627.94 - Step 6: Final answer
x = 71,538.66
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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.