Finding the Fourth Proportional to 75,027.91, 103,489.71 and 48,127.81
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Solution
The fourth proportional to 75,027.91, 103,489.71 and 48,127.81 is: 66,385.07
Step by Step Solution
- Step 1: Write the proportion equation
75,027.91 : 103,489.71 = 48,127.81 : x - Step 2: Convert to fraction form
75,027.91/103,489.71 = 48,127.81/x - Step 3: Cross multiply
75,027.91x = 103,489.71 × 48,127.81 - Step 4: Simplify right side
75,027.91x = 4,980,733,099.84 - Step 5: Solve for x
x = 4,980,733,099.84/75,027.91 - Step 6: Final answer
x = 66,385.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.