Finding the Fourth Proportional to 74,050.94, 102,190.79 and 45,370.65
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Solution
The fourth proportional to 74,050.94, 102,190.79 and 45,370.65 is: 62,611.80
Step by Step Solution
- Step 1: Write the proportion equation
74,050.94 : 102,190.79 = 45,370.65 : x - Step 2: Convert to fraction form
74,050.94/102,190.79 = 45,370.65/x - Step 3: Cross multiply
74,050.94x = 102,190.79 × 45,370.65 - Step 4: Simplify right side
74,050.94x = 4,636,462,566.31 - Step 5: Solve for x
x = 4,636,462,566.31/74,050.94 - Step 6: Final answer
x = 62,611.80
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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.