Finding the Fourth Proportional to 107,867.13, 161,673.62 and 48,633.45
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Solution
The fourth proportional to 107,867.13, 161,673.62 and 48,633.45 is: 72,892.88
Step by Step Solution
- Step 1: Write the proportion equation
107,867.13 : 161,673.62 = 48,633.45 : x - Step 2: Convert to fraction form
107,867.13/161,673.62 = 48,633.45/x - Step 3: Cross multiply
107,867.13x = 161,673.62 × 48,633.45 - Step 4: Simplify right side
107,867.13x = 7,862,745,671.42 - Step 5: Solve for x
x = 7,862,745,671.42/107,867.13 - Step 6: Final answer
x = 72,892.88
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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.