Finding the Fourth Proportional to 76,327.98, 114,343.74 and 42,946.26
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Solution
The fourth proportional to 76,327.98, 114,343.74 and 42,946.26 is: 64,335.99
Step by Step Solution
- Step 1: Write the proportion equation
76,327.98 : 114,343.74 = 42,946.26 : x - Step 2: Convert to fraction form
76,327.98/114,343.74 = 42,946.26/x - Step 3: Cross multiply
76,327.98x = 114,343.74 × 42,946.26 - Step 4: Simplify right side
76,327.98x = 4,910,635,987.41 - Step 5: Solve for x
x = 4,910,635,987.41/76,327.98 - Step 6: Final answer
x = 64,335.99
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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.