Finding the Fourth Proportional to 74,749.27, 103,178.99 and 44,544.07
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Solution
The fourth proportional to 74,749.27, 103,178.99 and 44,544.07 is: 61,485.71
Step by Step Solution
- Step 1: Write the proportion equation
74,749.27 : 103,178.99 = 44,544.07 : x - Step 2: Convert to fraction form
74,749.27/103,178.99 = 44,544.07/x - Step 3: Cross multiply
74,749.27x = 103,178.99 × 44,544.07 - Step 4: Simplify right side
74,749.27x = 4,596,012,153.09 - Step 5: Solve for x
x = 4,596,012,153.09/74,749.27 - Step 6: Final answer
x = 61,485.71
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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.