Finding the Fourth Proportional to 71,866.08, 107,796.80 and 19,272.80
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Solution
The fourth proportional to 71,866.08, 107,796.80 and 19,272.80 is: 28,908.58
Step by Step Solution
- Step 1: Write the proportion equation
71,866.08 : 107,796.80 = 19,272.80 : x - Step 2: Convert to fraction form
71,866.08/107,796.80 = 19,272.80/x - Step 3: Cross multiply
71,866.08x = 107,796.80 × 19,272.80 - Step 4: Simplify right side
71,866.08x = 2,077,546,167.04 - Step 5: Solve for x
x = 2,077,546,167.04/71,866.08 - Step 6: Final answer
x = 28,908.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.