Finding the Fourth Proportional to 83,455.21, 125,106.47 and 36,040.64
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Solution
The fourth proportional to 83,455.21, 125,106.47 and 36,040.64 is: 54,027.99
Step by Step Solution
- Step 1: Write the proportion equation
83,455.21 : 125,106.47 = 36,040.64 : x - Step 2: Convert to fraction form
83,455.21/125,106.47 = 36,040.64/x - Step 3: Cross multiply
83,455.21x = 125,106.47 × 36,040.64 - Step 4: Simplify right side
83,455.21x = 4,508,917,066.74 - Step 5: Solve for x
x = 4,508,917,066.74/83,455.21 - Step 6: Final answer
x = 54,027.99
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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.