Finding the Fourth Proportional to 74,796.08, 112,292.08 and 52,619.92
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Solution
The fourth proportional to 74,796.08, 112,292.08 and 52,619.92 is: 78,998.80
Step by Step Solution
- Step 1: Write the proportion equation
74,796.08 : 112,292.08 = 52,619.92 : x - Step 2: Convert to fraction form
74,796.08/112,292.08 = 52,619.92/x - Step 3: Cross multiply
74,796.08x = 112,292.08 × 52,619.92 - Step 4: Simplify right side
74,796.08x = 5,908,800,266.23 - Step 5: Solve for x
x = 5,908,800,266.23/74,796.08 - Step 6: Final answer
x = 78,998.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.