Finding the Fourth Proportional to 73,932.84, 102,027.20 and 42,101.73
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Solution
The fourth proportional to 73,932.84, 102,027.20 and 42,101.73 is: 58,100.32
Step by Step Solution
- Step 1: Write the proportion equation
73,932.84 : 102,027.20 = 42,101.73 : x - Step 2: Convert to fraction form
73,932.84/102,027.20 = 42,101.73/x - Step 3: Cross multiply
73,932.84x = 102,027.20 × 42,101.73 - Step 4: Simplify right side
73,932.84x = 4,295,521,416.55 - Step 5: Solve for x
x = 4,295,521,416.55/73,932.84 - Step 6: Final answer
x = 58,100.32
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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.