Finding the Fourth Proportional to 79,895.28, 110,299.68 and 48,072
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Solution
The fourth proportional to 79,895.28, 110,299.68 and 48,072 is: 66,365.95
Step by Step Solution
- Step 1: Write the proportion equation
79,895.28 : 110,299.68 = 48,072 : x - Step 2: Convert to fraction form
79,895.28/110,299.68 = 48,072/x - Step 3: Cross multiply
79,895.28x = 110,299.68 × 48,072 - Step 4: Simplify right side
79,895.28x = 5,302,326,216.96 - Step 5: Solve for x
x = 5,302,326,216.96/79,895.28 - Step 6: Final answer
x = 66,365.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.