Finding the Fourth Proportional to 77,326.20, 115,987.74 and 24,735.68
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Solution
The fourth proportional to 77,326.20, 115,987.74 and 24,735.68 is: 37,103.02
Step by Step Solution
- Step 1: Write the proportion equation
77,326.20 : 115,987.74 = 24,735.68 : x - Step 2: Convert to fraction form
77,326.20/115,987.74 = 24,735.68/x - Step 3: Cross multiply
77,326.20x = 115,987.74 × 24,735.68 - Step 4: Simplify right side
77,326.20x = 2,869,035,620.56 - Step 5: Solve for x
x = 2,869,035,620.56/77,326.20 - Step 6: Final answer
x = 37,103.02
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1.5x scale
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.