Finding the Fourth Proportional to 74,769.99, 103,179.73 and 41,235.99
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Solution
The fourth proportional to 74,769.99, 103,179.73 and 41,235.99 is: 56,904.09
Step by Step Solution
- Step 1: Write the proportion equation
74,769.99 : 103,179.73 = 41,235.99 : x - Step 2: Convert to fraction form
74,769.99/103,179.73 = 41,235.99/x - Step 3: Cross multiply
74,769.99x = 103,179.73 × 41,235.99 - Step 4: Simplify right side
74,769.99x = 4,254,718,366.03 - Step 5: Solve for x
x = 4,254,718,366.03/74,769.99 - Step 6: Final answer
x = 56,904.09
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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.