Finding the Fourth Proportional to 107,984.10, 161,927.55 and 48,789.30
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Solution
The fourth proportional to 107,984.10, 161,927.55 and 48,789.30 is: 73,161.99
Step by Step Solution
- Step 1: Write the proportion equation
107,984.10 : 161,927.55 = 48,789.30 : x - Step 2: Convert to fraction form
107,984.10/161,927.55 = 48,789.30/x - Step 3: Cross multiply
107,984.10x = 161,927.55 × 48,789.30 - Step 4: Simplify right side
107,984.10x = 7,900,331,815.22 - Step 5: Solve for x
x = 7,900,331,815.22/107,984.10 - Step 6: Final answer
x = 73,161.99
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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.