Finding the Fourth Proportional to 73,909.20, 110,842.20 and 26,518.80
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Solution
The fourth proportional to 73,909.20, 110,842.20 and 26,518.80 is: 39,770.45
Step by Step Solution
- Step 1: Write the proportion equation
73,909.20 : 110,842.20 = 26,518.80 : x - Step 2: Convert to fraction form
73,909.20/110,842.20 = 26,518.80/x - Step 3: Cross multiply
73,909.20x = 110,842.20 × 26,518.80 - Step 4: Simplify right side
73,909.20x = 2,939,402,133.36 - Step 5: Solve for x
x = 2,939,402,133.36/73,909.20 - Step 6: Final answer
x = 39,770.45
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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.