Finding the Fourth Proportional to 74,901.68, 103,350.84 and 44,675.72
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Solution
The fourth proportional to 74,901.68, 103,350.84 and 44,675.72 is: 61,644.45
Step by Step Solution
- Step 1: Write the proportion equation
74,901.68 : 103,350.84 = 44,675.72 : x - Step 2: Convert to fraction form
74,901.68/103,350.84 = 44,675.72/x - Step 3: Cross multiply
74,901.68x = 103,350.84 × 44,675.72 - Step 4: Simplify right side
74,901.68x = 4,617,273,189.60 - Step 5: Solve for x
x = 4,617,273,189.60/74,901.68 - Step 6: Final answer
x = 61,644.45
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1.5x scale
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.