Finding the Fourth Proportional to 75,624.43, 113,238.47 and 53,317.03
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Solution
The fourth proportional to 75,624.43, 113,238.47 and 53,317.03 is: 79,835.82
Step by Step Solution
- Step 1: Write the proportion equation
75,624.43 : 113,238.47 = 53,317.03 : x - Step 2: Convert to fraction form
75,624.43/113,238.47 = 53,317.03/x - Step 3: Cross multiply
75,624.43x = 113,238.47 × 53,317.03 - Step 4: Simplify right side
75,624.43x = 6,037,538,635.56 - Step 5: Solve for x
x = 6,037,538,635.56/75,624.43 - Step 6: Final answer
x = 79,835.82
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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.