Finding the Fourth Proportional to 74,422.64, 102,678.36 and 44,597.36
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Solution
The fourth proportional to 74,422.64, 102,678.36 and 44,597.36 is: 61,529.45
Step by Step Solution
- Step 1: Write the proportion equation
74,422.64 : 102,678.36 = 44,597.36 : x - Step 2: Convert to fraction form
74,422.64/102,678.36 = 44,597.36/x - Step 3: Cross multiply
74,422.64x = 102,678.36 × 44,597.36 - Step 4: Simplify right side
74,422.64x = 4,579,183,785.13 - Step 5: Solve for x
x = 4,579,183,785.13/74,422.64 - Step 6: Final answer
x = 61,529.45
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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.