Finding the Fourth Proportional to 74,448.13, 102,747.16 and 44,233.70
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Solution
The fourth proportional to 74,448.13, 102,747.16 and 44,233.70 is: 61,047.70
Step by Step Solution
- Step 1: Write the proportion equation
74,448.13 : 102,747.16 = 44,233.70 : x - Step 2: Convert to fraction form
74,448.13/102,747.16 = 44,233.70/x - Step 3: Cross multiply
74,448.13x = 102,747.16 × 44,233.70 - Step 4: Simplify right side
74,448.13x = 4,544,886,940.71 - Step 5: Solve for x
x = 4,544,886,940.71/74,448.13 - Step 6: Final answer
x = 61,047.70
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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.