Finding the Fourth Proportional to 77,720.68, 116,548.86 and 24,394.84
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Solution
The fourth proportional to 77,720.68, 116,548.86 and 24,394.84 is: 36,582.17
Step by Step Solution
- Step 1: Write the proportion equation
77,720.68 : 116,548.86 = 24,394.84 : x - Step 2: Convert to fraction form
77,720.68/116,548.86 = 24,394.84/x - Step 3: Cross multiply
77,720.68x = 116,548.86 × 24,394.84 - Step 4: Simplify right side
77,720.68x = 2,843,190,791.88 - Step 5: Solve for x
x = 2,843,190,791.88/77,720.68 - Step 6: Final answer
x = 36,582.17
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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.